-240 is an even number.
-240 is a Harshad number, which means it is divisible by the sum of its digits (2 + 4 + 0 = 6, and -240 is divisible by 6).
In binary, -240 is represented as 1111111111111111111111111111111111111111111111111111111100010000.
In hex, -240 is represented as ffffffffffffff10.