18246831338004 has 48 divisors (see below), whose sum is σ = 42769044783360. Its totient is φ = 6054708499840.

The previous prime is 18246831337967. The next prime is 18246831338023. The reversal of 18246831338004 is 40083313864281.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7093462 + ... + 9317234.

It is an arithmetic number, because the mean of its divisors is an integer number (891021766320).

Almost surely, 2^{18246831338004} is an apocalyptic number.

It is an amenable number.

18246831338004 is an abundant number, since it is smaller than the sum of its proper divisors (24522213445356).

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

18246831338004 is a wasteful number, since it uses less digits than its factorization.

18246831338004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226880 (or 2226878 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 18246831338004 in words is "eighteen trillion, two hundred forty-six billion, eight hundred thirty-one million, three hundred thirty-eight thousand, four".