256075788 has 12 divisors (see below), whose sum is σ = 597510200. Its totient is φ = 85358592.

The previous prime is 256075763. The next prime is 256075817. The reversal of 256075788 is 887570652.

It is a tau number, because it is divible by the number of its divisors (12).

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, 10669813 + ... + 10669836.

Almost surely, 2^256075788 is an apocalyptic number.

It is an amenable number.

256075788 is an abundant number, since it is smaller than the sum of its proper divisors (341434412).

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

256075788 is a wasteful number, since it uses less digits than its factorization.

256075788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21339656 (or 21339654 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 48.

The square root of 256075788 is about 16002.3681997384. The cubic root of 256075788 is about 635.0230739544.

The spelling of 256075788 in words is "two hundred fifty-six million, seventy-five thousand, seven hundred eighty-eight".