18043239048 has 16 divisors (see below), whose sum is σ = 45108097680. Its totient is φ = 6014413008.

The previous prime is 18043239043. The next prime is 18043239061. The reversal of 18043239048 is 84093234081.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18043239043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375900790 + ... + 375900837.

It is an arithmetic number, because the mean of its divisors is an integer number (2819256105).

Almost surely, 2^18043239048 is an apocalyptic number.

It is an amenable number.

18043239048 is an abundant number, since it is smaller than the sum of its proper divisors (27064858632).

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

18043239048 is a wasteful number, since it uses less digits than its factorization.

18043239048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751801636 (or 751801632 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 18043239048 in words is "eighteen billion, forty-three million, two hundred thirty-nine thousand, forty-eight".