18801994005760 has 144 divisors (see below), whose sum is σ = 51473052892800. Its totient is φ = 6446073028608.

The previous prime is 18801994005733. The next prime is 18801994005803. The reversal of 18801994005760 is 6750049910881.

It is a junction number, because it is equal to n+sod(n) for n = 18801994005695 and 18801994005704.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 237032986 + ... + 237112294.

It is an arithmetic number, because the mean of its divisors is an integer number (357451756200).

Almost surely, 2^{18801994005760} is an apocalyptic number.

18801994005760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18801994005760 is an abundant number, since it is smaller than the sum of its proper divisors (32671058887040).

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

18801994005760 is an equidigital number, since it uses as much as digits as its factorization.

18801994005760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105796 (or 105782 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 18801994005760 in words is "eighteen trillion, eight hundred one billion, nine hundred ninety-four million, five thousand, seven hundred sixty".