258312447972 has 36 divisors (see below), whose sum is σ = 674019580416. Its totient is φ = 83326595760.

The previous prime is 258312447937. The next prime is 258312447979. The reversal of 258312447972 is 279744213852.

258312447972 is a `hidden beast` number, since 2 + 5 + 83 + 1 + 24 + 479 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (258312447979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115730268 + ... + 115732499.

Almost surely, 2^258312447972 is an apocalyptic number.

It is an amenable number.

258312447972 is an abundant number, since it is smaller than the sum of its proper divisors (415707132444).

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

258312447972 is a wasteful number, since it uses less digits than its factorization.

258312447972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231462808 (or 231462803 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 258312447972 in words is "two hundred fifty-eight billion, three hundred twelve million, four hundred forty-seven thousand, nine hundred seventy-two".