523139958460 has 96 divisors (see below), whose sum is σ = 1258967098368. Its totient is φ = 178872744960.

The previous prime is 523139958431. The next prime is 523139958487. The reversal of 523139958460 is 64859931325.

It is a super-2 number, since 2×523139958460² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110808900 + ... + 110813620.

It is an arithmetic number, because the mean of its divisors is an integer number (13114240608).

Almost surely, 2^523139958460 is an apocalyptic number.

It is an amenable number.

523139958460 is an abundant number, since it is smaller than the sum of its proper divisors (735827139908).

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

523139958460 is a wasteful number, since it uses less digits than its factorization.

523139958460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731 (or 6729 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 523139958460 in words is "five hundred twenty-three billion, one hundred thirty-nine million, nine hundred fifty-eight thousand, four hundred sixty".