258970025438 has 16 divisors (see below), whose sum is σ = 391122032400. Its totient is φ = 128596281216.

The previous prime is 258970025417. The next prime is 258970025467. The reversal of 258970025438 is 834520079852.

It is a super-4 number, since 4×258970025438⁴ (a number of 47 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 258970025438.

It is a congruent number.

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, 1988006 + ... + 2114262.

It is an arithmetic number, because the mean of its divisors is an integer number (24445127025).

Almost surely, 2^258970025438 is an apocalyptic number.

258970025438 is a deficient number, since it is larger than the sum of its proper divisors (132152006962).

258970025438 is a wasteful number, since it uses less digits than its factorization.

258970025438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133291.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 258970025438 in words is "two hundred fifty-eight billion, nine hundred seventy million, twenty-five thousand, four hundred thirty-eight".