18103833042 has 48 divisors (see below), whose sum is σ = 38240939520. Its totient is φ = 5712915744.

The previous prime is 18103833031. The next prime is 18103833073. The reversal of 18103833042 is 24033830181.

It is a super-2 number, since 2×18103833042² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18103832994 and 18103833012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4847808 + ... + 4851540.

It is an arithmetic number, because the mean of its divisors is an integer number (796686240).

Almost surely, 2^18103833042 is an apocalyptic number.

18103833042 is an abundant number, since it is smaller than the sum of its proper divisors (20137106478).

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

18103833042 is a wasteful number, since it uses less digits than its factorization.

18103833042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6015 (or 5996 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 18103833042 in words is "eighteen billion, one hundred three million, eight hundred thirty-three thousand, forty-two".