18450484704 has 36 divisors (see below), whose sum is σ = 52468566696. Its totient is φ = 6150161472.

The previous prime is 18450484691. The next prime is 18450484711. The reversal of 18450484704 is 40748405481.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18450484704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32031804 + ... + 32032379.

It is an arithmetic number, because the mean of its divisors is an integer number (1457460186).

Almost surely, 2^18450484704 is an apocalyptic number.

It is an amenable number.

18450484704 is an abundant number, since it is smaller than the sum of its proper divisors (34018081992).

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

18450484704 is a wasteful number, since it uses less digits than its factorization.

18450484704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64064199 (or 64064188 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The spelling of 18450484704 in words is "eighteen billion, four hundred fifty million, four hundred eighty-four thousand, seven hundred four".