255833856 has 72 divisors (see below), whose sum is σ = 756566160. Its totient is φ = 85275648.

The previous prime is 255833849. The next prime is 255833857. The reversal of 255833856 is 658338552.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255833857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11595 + ... + 25418.

Almost surely, 2^255833856 is an apocalyptic number.

It is an amenable number.

255833856 is an abundant number, since it is smaller than the sum of its proper divisors (500732304).

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

255833856 is an equidigital number, since it uses as much as digits as its factorization.

255833856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37038 (or 37018 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 255833856 is about 15994.8071573245. The cubic root of 255833856 is about 634.8230279560.

The spelling of 255833856 in words is "two hundred fifty-five million, eight hundred thirty-three thousand, eight hundred fifty-six".