18124309338 has 16 divisors (see below), whose sum is σ = 37091610336. Its totient is φ = 5900937840.

The previous prime is 18124309271. The next prime is 18124309349. The reversal of 18124309338 is 83390342181.

It is a self number, because there is not a number n which added to its sum of digits gives 18124309338.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35124373 + ... + 35124888.

It is an arithmetic number, because the mean of its divisors is an integer number (2318225646).

Almost surely, 2^18124309338 is an apocalyptic number.

18124309338 is an abundant number, since it is smaller than the sum of its proper divisors (18967300998).

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

18124309338 is a wasteful number, since it uses less digits than its factorization.

18124309338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70249309.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 18124309338 in words is "eighteen billion, one hundred twenty-four million, three hundred nine thousand, three hundred thirty-eight".