18458751042 has 32 divisors (see below), whose sum is σ = 42342658560. Its totient is φ = 5954435280.

The previous prime is 18458751037. The next prime is 18458751043. The reversal of 18458751042 is 24015785481.

18458751042 is a `hidden beast` number, since 1 + 84 + 58 + 7 + 510 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (18458751043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5511693 + ... + 5515040.

It is an arithmetic number, because the mean of its divisors is an integer number (1323208080).

Almost surely, 2^18458751042 is an apocalyptic number.

18458751042 is an abundant number, since it is smaller than the sum of its proper divisors (23883907518).

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

18458751042 is a wasteful number, since it uses less digits than its factorization.

18458751042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026775 (or 11026769 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The spelling of 18458751042 in words is "eighteen billion, four hundred fifty-eight million, seven hundred fifty-one thousand, forty-two".