18352299328 has 56 divisors (see below), whose sum is σ = 40032029664. Its totient is φ = 8278233600.

The previous prime is 18352299299. The next prime is 18352299359. The reversal of 18352299328 is 82399225381.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 7275 + ... + 191722.

Almost surely, 2^18352299328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18352299328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20016014832).

18352299328 is an abundant number, since it is smaller than the sum of its proper divisors (21679730336).

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

18352299328 is a wasteful number, since it uses less digits than its factorization.

18352299328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199151 (or 199141 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The spelling of 18352299328 in words is "eighteen billion, three hundred fifty-two million, two hundred ninety-nine thousand, three hundred twenty-eight".