255864012 has 48 divisors (see below), whose sum is σ = 608961024. Its totient is φ = 83592000.

The previous prime is 255864001. The next prime is 255864023. The reversal of 255864012 is 210468552.

It is an interprime number because it is at equal distance from previous prime (255864001) and next prime (255864023).

It is a super-2 number, since 2×255864012² = 130932785273472288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315087 + ... + 315897.

It is an arithmetic number, because the mean of its divisors is an integer number (12686688).

Almost surely, 2^255864012 is an apocalyptic number.

It is an amenable number.

255864012 is an abundant number, since it is smaller than the sum of its proper divisors (353097012).

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

255864012 is a wasteful number, since it uses less digits than its factorization.

255864012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 255864012 is about 15995.7498104965. The cubic root of 255864012 is about 634.8479698869.

The spelling of 255864012 in words is "two hundred fifty-five million, eight hundred sixty-four thousand, twelve".