258430398128 has 40 divisors (see below), whose sum is σ = 572396721408. Its totient is φ = 110725307712.

The previous prime is 258430398103. The next prime is 258430398169. The reversal of 258430398128 is 821893034852.

It is a self number, because there is not a number n which added to its sum of digits gives 258430398128.

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, 91325 + ... + 724707.

Almost surely, 2^258430398128 is an apocalyptic number.

258430398128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

258430398128 is an abundant number, since it is smaller than the sum of its proper divisors (313966323280).

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

258430398128 is a wasteful number, since it uses less digits than its factorization.

258430398128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637041 (or 637035 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 258430398128 in words is "two hundred fifty-eight billion, four hundred thirty million, three hundred ninety-eight thousand, one hundred twenty-eight".