255131620674 has 32 divisors (see below), whose sum is σ = 583928416896. Its totient is φ = 72798445440.

The previous prime is 255131620651. The next prime is 255131620727. The reversal of 255131620674 is 476026131552.

255131620674 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3980467 + ... + 4044054.

It is an arithmetic number, because the mean of its divisors is an integer number (18247763028).

Almost surely, 2^255131620674 is an apocalyptic number.

255131620674 is an abundant number, since it is smaller than the sum of its proper divisors (328796796222).

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

255131620674 is a wasteful number, since it uses less digits than its factorization.

255131620674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8025290.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 255131620674 in words is "two hundred fifty-five billion, one hundred thirty-one million, six hundred twenty thousand, six hundred seventy-four".