255860928 has 84 divisors (see below), whose sum is σ = 740057448. Its totient is φ = 84510720.

The previous prime is 255860909. The next prime is 255860929. The reversal of 255860928 is 829068552.

255860928 is a `hidden beast` number, since 2 + 558 + 6 + 0 + 92 + 8 = 666.

255860928 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (255860929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63123 + ... + 67053.

Almost surely, 2^255860928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255860928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370028724).

255860928 is an abundant number, since it is smaller than the sum of its proper divisors (484196520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255860928 is a wasteful number, since it uses less digits than its factorization.

255860928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062 (or 4049 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 255860928 is about 15995.6534095985. The cubic root of 255860928 is about 634.8454192104.

The spelling of 255860928 in words is "two hundred fifty-five million, eight hundred sixty thousand, nine hundred twenty-eight".