258375092540 has 24 divisors (see below), whose sum is σ = 542718392832. Its totient is φ = 103325142080.

The previous prime is 258375092531. The next prime is 258375092551. The reversal of 258375092540 is 45290573852.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1470716 + ... + 1636995.

It is an arithmetic number, because the mean of its divisors is an integer number (22613266368).

Almost surely, 2^258375092540 is an apocalyptic number.

258375092540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258375092540 is an abundant number, since it is smaller than the sum of its proper divisors (284343300292).

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

258375092540 is a wasteful number, since it uses less digits than its factorization.

258375092540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111877 (or 3111875 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 50.

The spelling of 258375092540 in words is "two hundred fifty-eight billion, three hundred seventy-five million, ninety-two thousand, five hundred forty".