255839535688 has 48 divisors (see below), whose sum is σ = 544281454080. Its totient is φ = 112539372000.

The previous prime is 255839535673. The next prime is 255839535727. The reversal of 255839535688 is 886535938552.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4232848 + ... + 4292863.

It is an arithmetic number, because the mean of its divisors is an integer number (11339196960).

Almost surely, 2^255839535688 is an apocalyptic number.

It is an amenable number.

255839535688 is an abundant number, since it is smaller than the sum of its proper divisors (288441918392).

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

255839535688 is a wasteful number, since it uses less digits than its factorization.

255839535688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8525770 (or 8525755 counting only the distinct ones).

The product of its digits is 311040000, while the sum is 67.

The spelling of 255839535688 in words is "two hundred fifty-five billion, eight hundred thirty-nine million, five hundred thirty-five thousand, six hundred eighty-eight".