256574042088 has 128 divisors (see below), whose sum is σ = 831009177600. Its totient is φ = 64106401536.

The previous prime is 256574042083. The next prime is 256574042111. The reversal of 256574042088 is 880240475652.

It is a self number, because there is not a number n which added to its sum of digits gives 256574042088.

It is not an unprimeable number, because it can be changed into a prime (256574042083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3050056 + ... + 3133047.

It is an arithmetic number, because the mean of its divisors is an integer number (6492259200).

Almost surely, 2^256574042088 is an apocalyptic number.

256574042088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

256574042088 is an abundant number, since it is smaller than the sum of its proper divisors (574435135512).

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

256574042088 is a wasteful number, since it uses less digits than its factorization.

256574042088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183151 (or 6183147 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 51.

The spelling of 256574042088 in words is "two hundred fifty-six billion, five hundred seventy-four million, forty-two thousand, eighty-eight".