18326047128000 has 112 divisors (see below), whose sum is σ = 60512607695904. Its totient is φ = 4886945894400.

The previous prime is 18326047127963. The next prime is 18326047128007. The reversal of 18326047128000 is 82174062381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18326047128007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381768649 + ... + 381816648.

It is an arithmetic number, because the mean of its divisors is an integer number (540291140142).

Almost surely, 2^{18326047128000} is an apocalyptic number.

18326047128000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18326047128000 is an abundant number, since it is smaller than the sum of its proper divisors (42186560567904).

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

18326047128000 is an equidigital number, since it uses as much as digits as its factorization.

18326047128000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763585327 (or 763585307 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 18326047128000 in words is "eighteen trillion, three hundred twenty-six billion, forty-seven million, one hundred twenty-eight thousand".