256299295848 has 16 divisors (see below), whose sum is σ = 640748239680. Its totient is φ = 85433098608.

The previous prime is 256299295807. The next prime is 256299295877. The reversal of 256299295848 is 848592992652.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5339568640 + ... + 5339568687.

It is an arithmetic number, because the mean of its divisors is an integer number (40046764980).

Almost surely, 2^256299295848 is an apocalyptic number.

It is an amenable number.

256299295848 is an abundant number, since it is smaller than the sum of its proper divisors (384448943832).

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

256299295848 is a wasteful number, since it uses less digits than its factorization.

256299295848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10679137336 (or 10679137332 counting only the distinct ones).

The product of its digits is 223948800, while the sum is 69.

The spelling of 256299295848 in words is "two hundred fifty-six billion, two hundred ninety-nine million, two hundred ninety-five thousand, eight hundred forty-eight".