15343472568440 has 128 divisors (see below), whose sum is σ = 34841028942720. Its totient is φ = 6081149952000.

The previous prime is 15343472568421. The next prime is 15343472568451. The reversal of 15343472568440 is 4486527434351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1751333660 + ... + 1751342420.

It is an arithmetic number, because the mean of its divisors is an integer number (272195538615).

Almost surely, 2^{15343472568440} is an apocalyptic number.

15343472568440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15343472568440 is an abundant number, since it is smaller than the sum of its proper divisors (19497556374280).

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

15343472568440 is a wasteful number, since it uses less digits than its factorization.

15343472568440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913 (or 9909 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 56.

The spelling of 15343472568440 in words is "fifteen trillion, three hundred forty-three billion, four hundred seventy-two million, five hundred sixty-eight thousand, four hundred forty".