258422054728 has 32 divisors (see below), whose sum is σ = 485759993760. Its totient is φ = 128886209920.

The previous prime is 258422054713. The next prime is 258422054749. The reversal of 258422054728 is 827450224852.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19510188 + ... + 19523428.

It is an arithmetic number, because the mean of its divisors is an integer number (15179999805).

Almost surely, 2^258422054728 is an apocalyptic number.

It is an amenable number.

258422054728 is a deficient number, since it is larger than the sum of its proper divisors (227337939032).

258422054728 is a wasteful number, since it uses less digits than its factorization.

258422054728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19197 (or 19193 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 49.

The spelling of 258422054728 in words is "two hundred fifty-eight billion, four hundred twenty-two million, fifty-four thousand, seven hundred twenty-eight".