18340365256 has 16 divisors (see below), whose sum is σ = 34586963100. Its totient is φ = 9117175104.

The previous prime is 18340365247. The next prime is 18340365257. The reversal of 18340365256 is 65256304381.

It can be written as a sum of positive squares in 2 ways, for example, as 14632773156 + 3707592100 = 120966^2 + 60890^2 .

It is not an unprimeable number, because it can be changed into a prime (18340365257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6624471 + ... + 6627238.

Almost surely, 2^18340365256 is an apocalyptic number.

It is an amenable number.

18340365256 is a deficient number, since it is larger than the sum of its proper divisors (16246597844).

18340365256 is a wasteful number, since it uses less digits than its factorization.

18340365256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13251888 (or 13251884 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 18340365256 in words is "eighteen billion, three hundred forty million, three hundred sixty-five thousand, two hundred fifty-six".