18828314055 has 32 divisors (see below), whose sum is σ = 33542553600. Its totient is φ = 10020769056.

The previous prime is 18828314047. The next prime is 18828314111. The reversal of 18828314055 is 55041382881.

18828314055 is a `hidden beast` number, since 188 + 283 + 140 + 55 = 666.

It is not a de Polignac number, because 18828314055 - 2³ = 18828314047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 18828314055.

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, 80919 + ... + 210248.

It is an arithmetic number, because the mean of its divisors is an integer number (1048204800).

Almost surely, 2^18828314055 is an apocalyptic number.

18828314055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18828314055 is a deficient number, since it is larger than the sum of its proper divisors (14714239545).

18828314055 is a wasteful number, since it uses less digits than its factorization.

18828314055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291660 (or 291654 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 18828314055 in words is "eighteen billion, eight hundred twenty-eight million, three hundred fourteen thousand, fifty-five".