258364042840 has 16 divisors (see below), whose sum is σ = 581319096480. Its totient is φ = 103345617120.

The previous prime is 258364042817. The next prime is 258364042891. The reversal of 258364042840 is 48240463852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3229550496 + ... + 3229550575.

It is an arithmetic number, because the mean of its divisors is an integer number (36332443530).

Almost surely, 2^258364042840 is an apocalyptic number.

258364042840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258364042840 is an abundant number, since it is smaller than the sum of its proper divisors (322955053640).

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

258364042840 is a wasteful number, since it uses less digits than its factorization.

258364042840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6459101082 (or 6459101078 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 46.

The spelling of 258364042840 in words is "two hundred fifty-eight billion, three hundred sixty-four million, forty-two thousand, eight hundred forty".