256364912 has 20 divisors (see below), whose sum is σ = 505127640. Its totient is φ = 126009408.

The previous prime is 256364903. The next prime is 256364939. The reversal of 256364912 is 219463652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134843 + ... + 136730.

It is an arithmetic number, because the mean of its divisors is an integer number (25256382).

Almost surely, 2^256364912 is an apocalyptic number.

It is an amenable number.

256364912 is a deficient number, since it is larger than the sum of its proper divisors (248762728).

256364912 is a wasteful number, since it uses less digits than its factorization.

256364912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271640 (or 271634 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 256364912 is about 16011.3994391496. The cubic root of 256364912 is about 635.2619763480.

The spelling of 256364912 in words is "two hundred fifty-six million, three hundred sixty-four thousand, nine hundred twelve".