258716924490 has 64 divisors (see below), whose sum is σ = 636155275392. Its totient is φ = 67298918400.

The previous prime is 258716924467. The next prime is 258716924497. The reversal of 258716924490 is 94429617852.

It is a self number, because there is not a number n which added to its sum of digits gives 258716924490.

It is not an unprimeable number, because it can be changed into a prime (258716924497) 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, 14026314 + ... + 14044746.

It is an arithmetic number, because the mean of its divisors is an integer number (9939926178).

Almost surely, 2^258716924490 is an apocalyptic number.

258716924490 is an abundant number, since it is smaller than the sum of its proper divisors (377438350902).

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

258716924490 is a wasteful number, since it uses less digits than its factorization.

258716924490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29895.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 258716924490 in words is "two hundred fifty-eight billion, seven hundred sixteen million, nine hundred twenty-four thousand, four hundred ninety".