13998468818432 has 160 divisors (see below), whose sum is σ = 33003680962560. Its totient is φ = 5804533923840.

The previous prime is 13998468818423. The next prime is 13998468818461. The reversal of 13998468818432 is 23481886489931.

It is a super-2 number, since 2×13998468818432² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13998468818432.

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, 632059583 + ... + 632081729.

It is an arithmetic number, because the mean of its divisors is an integer number (206273006016).

Almost surely, 2^{13998468818432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13998468818432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16501840481280).

13998468818432 is an abundant number, since it is smaller than the sum of its proper divisors (19005212144128).

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

13998468818432 is an equidigital number, since it uses as much as digits as its factorization.

13998468818432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27892 (or 27876 counting only the distinct ones).

The product of its digits is 573308928, while the sum is 74.

The spelling of 13998468818432 in words is "thirteen trillion, nine hundred ninety-eight billion, four hundred sixty-eight million, eight hundred eighteen thousand, four hundred thirty-two".