256570439002412 has 24 divisors (see below), whose sum is σ = 453999477790656. Its totient is φ = 126860561560208.

The previous prime is 256570439002411. The next prime is 256570439002421. The reversal of 256570439002412 is 214200934075652.

256570439002412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (256570439002411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532142378 + ... + 532624305.

It is an arithmetic number, because the mean of its divisors is an integer number (18916644907944).

Almost surely, 2^{256570439002412} is an apocalyptic number.

It is an amenable number.

256570439002412 is a deficient number, since it is larger than the sum of its proper divisors (197429038788244).

256570439002412 is a wasteful number, since it uses less digits than its factorization.

256570439002412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064767357 (or 1064767355 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 256570439002412 in words is "two hundred fifty-six trillion, five hundred seventy billion, four hundred thirty-nine million, two thousand, four hundred twelve".