Q: What is the negative version of the number 405,404,221?
A: -405,404,221
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 405,404,219 | 405,404,220 | 405,404,222 | 405,404,223 |
| -405,404,219 | -405,404,220 | -405,404,222 | -405,404,223 |