18570122442 has 24 divisors (see below), whose sum is σ = 40917221280. Its totient is φ = 6085124520.

The previous prime is 18570122371. The next prime is 18570122521. The reversal of 18570122442 is 24422107581.

18570122442 is a `hidden beast` number, since 18 + 570 + 12 + 24 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18570122397 and 18570122406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8741934 + ... + 8744057.

It is an arithmetic number, because the mean of its divisors is an integer number (1704884220).

Almost surely, 2^18570122442 is an apocalyptic number.

18570122442 is an abundant number, since it is smaller than the sum of its proper divisors (22347098838).

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

18570122442 is a wasteful number, since it uses less digits than its factorization.

18570122442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17486058 (or 17486055 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The spelling of 18570122442 in words is "eighteen billion, five hundred seventy million, one hundred twenty-two thousand, four hundred forty-two".