256502412 has 18 divisors (see below), whose sum is σ = 648381188. Its totient is φ = 85500792.

The previous prime is 256502387. The next prime is 256502431. The reversal of 256502412 is 214205652.

256502412 is a `hidden beast` number, since 2 + 5 + 650 + 2 + 4 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3562498 + ... + 3562569.

Almost surely, 2^256502412 is an apocalyptic number.

It is an amenable number.

256502412 is an abundant number, since it is smaller than the sum of its proper divisors (391878776).

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

256502412 is a wasteful number, since it uses less digits than its factorization.

256502412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125077 (or 7125072 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 256502412 is about 16015.6926793692. The cubic root of 256502412 is about 635.3755292122.

The spelling of 256502412 in words is "two hundred fifty-six million, five hundred two thousand, four hundred twelve".