18338835052 has 48 divisors (see below), whose sum is σ = 32966922240. Its totient is φ = 8923666752.

The previous prime is 18338835041. The next prime is 18338835079. The reversal of 18338835052 is 25053883381.

It is a junction number, because it is equal to n+sod(n) for n = 18338834993 and 18338835011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9154683 + ... + 9156685.

It is an arithmetic number, because the mean of its divisors is an integer number (686810880).

Almost surely, 2^18338835052 is an apocalyptic number.

It is an amenable number.

18338835052 is a deficient number, since it is larger than the sum of its proper divisors (14628087188).

18338835052 is a wasteful number, since it uses less digits than its factorization.

18338835052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470 (or 2468 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 18338835052 in words is "eighteen billion, three hundred thirty-eight million, eight hundred thirty-five thousand, fifty-two".