18301290047232 has 144 divisors (see below), whose sum is σ = 51638254467072. Its totient is φ = 5744083783680.

The previous prime is 18301290047153. The next prime is 18301290047291. The reversal of 18301290047232 is 23274009210381.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9506988 + ... + 11268779.

Almost surely, 2^{18301290047232} is an apocalyptic number.

18301290047232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18301290047232 is an abundant number, since it is smaller than the sum of its proper divisors (33336964419840).

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

18301290047232 is a wasteful number, since it uses less digits than its factorization.

18301290047232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20775854 (or 20775840 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 18301290047232 in words is "eighteen trillion, three hundred one billion, two hundred ninety million, forty-seven thousand, two hundred thirty-two".