18298442372 has 48 divisors (see below), whose sum is σ = 36833008128. Its totient is φ = 7791759360.

The previous prime is 18298442341. The next prime is 18298442399. The reversal of 18298442372 is 27324489281.

It is a self number, because there is not a number n which added to its sum of digits gives 18298442372.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2884388 + ... + 2890724.

It is an arithmetic number, because the mean of its divisors is an integer number (767354336).

Almost surely, 2^18298442372 is an apocalyptic number.

It is an amenable number.

18298442372 is an abundant number, since it is smaller than the sum of its proper divisors (18534565756).

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

18298442372 is a wasteful number, since it uses less digits than its factorization.

18298442372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996 (or 6994 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The spelling of 18298442372 in words is "eighteen billion, two hundred ninety-eight million, four hundred forty-two thousand, three hundred seventy-two".