18892882432 has 40 divisors (see below), whose sum is σ = 37761307452. Its totient is φ = 9443328000.

The previous prime is 18892882403. The next prime is 18892882447. The reversal of 18892882432 is 23428829881.

It can be written as a sum of positive squares in 2 ways, for example, as 18188298496 + 704583936 = 134864^2 + 26544^2 .

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, 2966932 + ... + 2973292.

Almost surely, 2^18892882432 is an apocalyptic number.

It is an amenable number.

18892882432 is a deficient number, since it is larger than the sum of its proper divisors (18868425020).

18892882432 is an frugal number, since it uses more digits than its factorization.

18892882432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12180 (or 12164 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 55.

The spelling of 18892882432 in words is "eighteen billion, eight hundred ninety-two million, eight hundred eighty-two thousand, four hundred thirty-two".