18300252680 has 32 divisors (see below), whose sum is σ = 42965812800. Its totient is φ = 7001835456.

The previous prime is 18300252637. The next prime is 18300252709. The reversal of 18300252680 is 8625200381.

It is a self number, because there is not a number n which added to its sum of digits gives 18300252680.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9944870 + ... + 9946709.

It is an arithmetic number, because the mean of its divisors is an integer number (1342681650).

Almost surely, 2^18300252680 is an apocalyptic number.

18300252680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18300252680 is an abundant number, since it is smaller than the sum of its proper divisors (24665560120).

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

18300252680 is a wasteful number, since it uses less digits than its factorization.

18300252680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19891613 (or 19891609 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 18300252680 in words is "eighteen billion, three hundred million, two hundred fifty-two thousand, six hundred eighty".