256630356107752 has 64 divisors (see below), whose sum is σ = 555859722412800. Its totient is φ = 109777323939840.

The previous prime is 256630356107693. The next prime is 256630356107767. The reversal of 256630356107752 is 257701653036652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6215233 + ... + 23492335.

It is an arithmetic number, because the mean of its divisors is an integer number (8685308162700).

Almost surely, 2^{256630356107752} is an apocalyptic number.

256630356107752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

256630356107752 is an abundant number, since it is smaller than the sum of its proper divisors (299229366305048).

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

256630356107752 is a wasteful number, since it uses less digits than its factorization.

256630356107752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17287066 (or 17287062 counting only the distinct ones).

The product of its (nonzero) digits is 47628000, while the sum is 58.

The spelling of 256630356107752 in words is "two hundred fifty-six trillion, six hundred thirty billion, three hundred fifty-six million, one hundred seven thousand, seven hundred fifty-two".