Why is this number unique? Find answer of this riddle here

Brain teasers are a good source of entertainment. This one is a bit tricky.

This number seems to be a lengthy one, but the numbers are arranged in a particular order.

Here are the numbers:

8,549,176,320

Can you find out what makes these numbers unique?

Answer: This number contains two unique things:

1. It has each number, from zero to nine
2. These numbers are listed in alphabetical order.