18522739242 has 48 divisors (see below), whose sum is σ = 46494152640. Its totient is φ = 5219712576.

The previous prime is 18522739223. The next prime is 18522739259. The reversal of 18522739242 is 24293722581.

18522739242 is a `hidden beast` number, since 18 + 522 + 73 + 9 + 2 + 42 = 666.

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 23 ways as a sum of consecutive naturals, for example, 997692 + ... + 1016087.

It is an arithmetic number, because the mean of its divisors is an integer number (968628180).

Almost surely, 2^18522739242 is an apocalyptic number.

18522739242 is an abundant number, since it is smaller than the sum of its proper divisors (27971413398).

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

18522739242 is a wasteful number, since it uses less digits than its factorization.

18522739242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013867 (or 2013864 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 18522739242 in words is "eighteen billion, five hundred twenty-two million, seven hundred thirty-nine thousand, two hundred forty-two".