Hi The SteelJC,
I made an example from the widget Blueprint that does mostly what you mentioned. Here is a short video showing it in use. [Video][1] Here is a screenshot of the widget blueprint event graph:
Just to explain you have to edit the number that is being input based off what the value is. The first thing I check is if the random number is >=1,000 or if it is >1,000,000. I then divide by an appropriate amount to decrease the size of the number and append an M or a K. The other way to do things is to use a left chop node and what this does is cut off a certain number of characters only leaving the left side. For example if you have left chop set to 4 and you input a string of 57,000 it will display 57 because 4 characters were removed.
Let me know if that helps,
Ed