256427696 has 40 divisors (see below), whose sum is σ = 569082624. Its totient is φ = 109650240.

The previous prime is 256427683. The next prime is 256427719. The reversal of 256427696 is 696724652.

It is a self number, because there is not a number n which added to its sum of digits gives 256427696.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52661 + ... + 57323.

Almost surely, 2^256427696 is an apocalyptic number.

It is an amenable number.

256427696 is an abundant number, since it is smaller than the sum of its proper divisors (312654928).

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

256427696 is a wasteful number, since it uses less digits than its factorization.

256427696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169 (or 5163 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The square root of 256427696 is about 16013.3599222649. The cubic root of 256427696 is about 635.3138308604.

The spelling of 256427696 in words is "two hundred fifty-six million, four hundred twenty-seven thousand, six hundred ninety-six".