18045886420104 has 64 divisors (see below), whose sum is σ = 45394087789440. Its totient is φ = 5978160706560.

The previous prime is 18045886420063. The next prime is 18045886420127. The reversal of 18045886420104 is 40102468854081.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071759 + ... + 6102494.

It is an arithmetic number, because the mean of its divisors is an integer number (709282621710).

Almost surely, 2^{18045886420104} is an apocalyptic number.

It is an amenable number.

18045886420104 is an abundant number, since it is smaller than the sum of its proper divisors (27348201369336).

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

18045886420104 is a wasteful number, since it uses less digits than its factorization.

18045886420104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174910 (or 7174906 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 51.

The spelling of 18045886420104 in words is "eighteen trillion, forty-five billion, eight hundred eighty-six million, four hundred twenty thousand, one hundred four".