18240597330 has 16 divisors (see below), whose sum is σ = 43777433664. Its totient is φ = 4864159280.

The previous prime is 18240597299. The next prime is 18240597391. The reversal of 18240597330 is 3379504281.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304009926 + ... + 304009985.

It is an arithmetic number, because the mean of its divisors is an integer number (2736089604).

Almost surely, 2^18240597330 is an apocalyptic number.

18240597330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18240597330 is an abundant number, since it is smaller than the sum of its proper divisors (25536836334).

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

18240597330 is a wasteful number, since it uses less digits than its factorization.

18240597330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608019921.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 18240597330 in words is "eighteen billion, two hundred forty million, five hundred ninety-seven thousand, three hundred thirty".