256702056 has 32 divisors (see below), whose sum is σ = 691121760. Its totient is φ = 78985152.

The previous prime is 256702037. The next prime is 256702081. The reversal of 256702056 is 650207652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411070 + ... + 411693.

It is an arithmetic number, because the mean of its divisors is an integer number (21597555).

Almost surely, 2^256702056 is an apocalyptic number.

256702056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

256702056 is an abundant number, since it is smaller than the sum of its proper divisors (434419704).

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

256702056 is a wasteful number, since it uses less digits than its factorization.

256702056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822785 (or 822781 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 256702056 is about 16021.9242290057. The cubic root of 256702056 is about 635.5403308024.

The spelling of 256702056 in words is "two hundred fifty-six million, seven hundred two thousand, fifty-six".