18539482084480 has 128 divisors (see below), whose sum is σ = 50746147752960. Its totient is φ = 6344643686400.

The previous prime is 18539482084423. The next prime is 18539482084507. The reversal of 18539482084480 is 8448028493581.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×18539482084480³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1400976 + ... + 6248335.

It is an arithmetic number, because the mean of its divisors is an integer number (396454279320).

Almost surely, 2^{18539482084480} is an apocalyptic number.

18539482084480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18539482084480 is an abundant number, since it is smaller than the sum of its proper divisors (32206665668480).

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

18539482084480 is an equidigital number, since it uses as much as digits as its factorization.

18539482084480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7649878 (or 7649866 counting only the distinct ones).

The product of its (nonzero) digits is 70778880, while the sum is 64.

The spelling of 18539482084480 in words is "eighteen trillion, five hundred thirty-nine billion, four hundred eighty-two million, eighty-four thousand, four hundred eighty".