258744664960 has 32 divisors (see below), whose sum is σ = 618561466200. Its totient is φ = 103497865728.

The previous prime is 258744664931. The next prime is 258744665027. The reversal of 258744664960 is 69466447852.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

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, 202143630 + ... + 202144909.

Almost surely, 2^258744664960 is an apocalyptic number.

258744664960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258744664960 is an abundant number, since it is smaller than the sum of its proper divisors (359816801240).

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

258744664960 is an equidigital number, since it uses as much as digits as its factorization.

258744664960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404288558 (or 404288546 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 61.

The spelling of 258744664960 in words is "two hundred fifty-eight billion, seven hundred forty-four million, six hundred sixty-four thousand, nine hundred sixty".