258078415296 has 56 divisors (see below), whose sum is σ = 735358055824. Its totient is φ = 79408742400.

The previous prime is 258078415241. The next prime is 258078415307. The reversal of 258078415296 is 692514870852.

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, 51695905 + ... + 51700896.

It is an arithmetic number, because the mean of its divisors is an integer number (13131393854).

Almost surely, 2^258078415296 is an apocalyptic number.

258078415296 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

258078415296 is an abundant number, since it is smaller than the sum of its proper divisors (477279640528).

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

258078415296 is a wasteful number, since it uses less digits than its factorization.

258078415296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103396829 (or 103396819 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 258078415296 in words is "two hundred fifty-eight billion, seventy-eight million, four hundred fifteen thousand, two hundred ninety-six".