18042501892 has 24 divisors (see below), whose sum is σ = 33568831296. Its totient is φ = 8466208608.

The previous prime is 18042501889. The next prime is 18042501941. The reversal of 18042501892 is 29810524081.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845258 + ... + 1855009.

It is an arithmetic number, because the mean of its divisors is an integer number (1398701304).

Almost surely, 2^18042501892 is an apocalyptic number.

It is an amenable number.

18042501892 is a deficient number, since it is larger than the sum of its proper divisors (15526329404).

18042501892 is a wasteful number, since it uses less digits than its factorization.

18042501892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700347 (or 3700345 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 18042501892 in words is "eighteen billion, forty-two million, five hundred one thousand, eight hundred ninety-two".