18537054042 has 32 divisors (see below), whose sum is σ = 40008028032. Its totient is φ = 5691985344.

The previous prime is 18537054023. The next prime is 18537054071. The reversal of 18537054042 is 24045073581.

18537054042 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206013 + ... + 281984.

It is an arithmetic number, because the mean of its divisors is an integer number (1250250876).

Almost surely, 2^18537054042 is an apocalyptic number.

18537054042 is an abundant number, since it is smaller than the sum of its proper divisors (21470973990).

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

18537054042 is a wasteful number, since it uses less digits than its factorization.

18537054042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488502.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 18537054042 in words is "eighteen billion, five hundred thirty-seven million, fifty-four thousand, forty-two".