256271056370 has 64 divisors (see below), whose sum is σ = 557465352192. Its totient is φ = 82956096000.

The previous prime is 256271056367. The next prime is 256271056397. The reversal of 256271056370 is 73650172652.

It is a Curzon 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, 1351241 + ... + 1529180.

It is an arithmetic number, because the mean of its divisors is an integer number (8710396128).

Almost surely, 2^256271056370 is an apocalyptic number.

256271056370 is an abundant number, since it is smaller than the sum of its proper divisors (301194295822).

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

256271056370 is a wasteful number, since it uses less digits than its factorization.

256271056370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880507.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 256271056370 in words is "two hundred fifty-six billion, two hundred seventy-one million, fifty-six thousand, three hundred seventy".