256960112190 has 64 divisors (see below), whose sum is σ = 621774766080. Its totient is φ = 67959682560.

The previous prime is 256960112153. The next prime is 256960112203. The reversal of 256960112190 is 91211069652.

It is a super-2 number, since 2×256960112190² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12909766 + ... + 12929654.

It is an arithmetic number, because the mean of its divisors is an integer number (9715230720).

Almost surely, 2^256960112190 is an apocalyptic number.

256960112190 is an abundant number, since it is smaller than the sum of its proper divisors (364814653890).

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

256960112190 is a wasteful number, since it uses less digits than its factorization.

256960112190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23417.

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 256960112190 in words is "two hundred fifty-six billion, nine hundred sixty million, one hundred twelve thousand, one hundred ninety".