18828314056 has 8 divisors (see below), whose sum is σ = 35303088870. Its totient is φ = 9414157024.

The previous prime is 18828314047. The next prime is 18828314111. The reversal of 18828314056 is 65041382881.

It can be written as a sum of positive squares in only one way, i.e., 18315291556 + 513022500 = 135334^2 + 22650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×18828314056² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18828313997 and 18828314015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1176769621 + ... + 1176769636.

Almost surely, 2^18828314056 is an apocalyptic number.

It is an amenable number.

18828314056 is a deficient number, since it is larger than the sum of its proper divisors (16474774814).

18828314056 is a wasteful number, since it uses less digits than its factorization.

18828314056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353539263 (or 2353539259 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 18828314056 in words is "eighteen billion, eight hundred twenty-eight million, three hundred fourteen thousand, fifty-six".