18460049004 has 36 divisors (see below), whose sum is σ = 46788037296. Its totient is φ = 6136848288.

The previous prime is 18460048993. The next prime is 18460049011. The reversal of 18460049004 is 40094006481.

It is a happy number.

18460049004 is a `hidden beast` number, since 1 + 8 + 4 + 600 + 49 + 0 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 18460049004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 673944 + ... + 700799.

Almost surely, 2^18460049004 is an apocalyptic number.

It is an amenable number.

18460049004 is an abundant number, since it is smaller than the sum of its proper divisors (28327988292).

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

18460049004 is a wasteful number, since it uses less digits than its factorization.

18460049004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375126 (or 1375121 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 18460049004 in words is "eighteen billion, four hundred sixty million, forty-nine thousand, four".