256914874002 has 16 divisors (see below), whose sum is σ = 513868550112. Its totient is φ = 85631824320.

The previous prime is 256914874001. The next prime is 256914874043. The reversal of 256914874002 is 200478419652.

It is not an unprimeable number, because it can be changed into a prime (256914874001) 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, 1530324 + ... + 1689887.

It is an arithmetic number, because the mean of its divisors is an integer number (32116784382).

Almost surely, 2^256914874002 is an apocalyptic number.

256914874002 is an abundant number, since it is smaller than the sum of its proper divisors (256953676110).

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

256914874002 is a wasteful number, since it uses less digits than its factorization.

256914874002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233513.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 256914874002 in words is "two hundred fifty-six billion, nine hundred fourteen million, eight hundred seventy-four thousand, two".