18336301678540 has 12 divisors (see below), whose sum is σ = 38506233524976. Its totient is φ = 7334520671408.

The previous prime is 18336301678537. The next prime is 18336301678553. The reversal of 18336301678540 is 4587610363381.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458407541944 + ... + 458407541983.

It is an arithmetic number, because the mean of its divisors is an integer number (3208852793748).

Almost surely, 2^{18336301678540} is an apocalyptic number.

18336301678540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18336301678540 is an abundant number, since it is smaller than the sum of its proper divisors (20169931846436).

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

18336301678540 is a wasteful number, since it uses less digits than its factorization.

18336301678540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916815083936 (or 916815083934 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 18336301678540 in words is "eighteen trillion, three hundred thirty-six billion, three hundred one million, six hundred seventy-eight thousand, five hundred forty".