18275399152 has 40 divisors (see below), whose sum is σ = 36089766000. Its totient is φ = 8962609152.

The previous prime is 18275399141. The next prime is 18275399171. The reversal of 18275399152 is 25199357281.

It is a self number, because there is not a number n which added to its sum of digits gives 18275399152.

It is a congruent number.

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, 402298 + ... + 445414.

It is an arithmetic number, because the mean of its divisors is an integer number (902244150).

Almost surely, 2^18275399152 is an apocalyptic number.

It is an amenable number.

18275399152 is a deficient number, since it is larger than the sum of its proper divisors (17814366848).

18275399152 is a wasteful number, since it uses less digits than its factorization.

18275399152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43633 (or 43627 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 52.

The spelling of 18275399152 in words is "eighteen billion, two hundred seventy-five million, three hundred ninety-nine thousand, one hundred fifty-two".