18957792264 has 16 divisors (see below), whose sum is σ = 47394480720. Its totient is φ = 6319264080.

The previous prime is 18957792197. The next prime is 18957792319. The reversal of 18957792264 is 46229775981.

It is a junction number, because it is equal to n+sod(n) for n = 18957792198 and 18957792207.

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, 394953982 + ... + 394954029.

It is an arithmetic number, because the mean of its divisors is an integer number (2962155045).

Almost surely, 2^18957792264 is an apocalyptic number.

It is an amenable number.

18957792264 is an abundant number, since it is smaller than the sum of its proper divisors (28436688456).

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

18957792264 is a wasteful number, since it uses less digits than its factorization.

18957792264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789908020 (or 789908016 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 60.

The spelling of 18957792264 in words is "eighteen billion, nine hundred fifty-seven million, seven hundred ninety-two thousand, two hundred sixty-four".