18590486820042 has 64 divisors (see below), whose sum is σ = 39015697545216. Its totient is φ = 5894148744000.

The previous prime is 18590486820023. The next prime is 18590486820071. The reversal of 18590486820042 is 24002868409581.

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, 20795323 + ... + 21670865.

It is an arithmetic number, because the mean of its divisors is an integer number (609620274144).

Almost surely, 2^{18590486820042} is an apocalyptic number.

18590486820042 is an abundant number, since it is smaller than the sum of its proper divisors (20425210725174).

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

18590486820042 is a wasteful number, since it uses less digits than its factorization.

18590486820042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876435.

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 18590486820042 in words is "eighteen trillion, five hundred ninety billion, four hundred eighty-six million, eight hundred twenty thousand, forty-two".