15828431416540 has 12 divisors (see below), whose sum is σ = 33239705974776. Its totient is φ = 6331372566608.

The previous prime is 15828431416537. The next prime is 15828431416573. The reversal of 15828431416540 is 4561413482851.

It is a super-2 number, since 2×15828431416540² (a number of 27 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 395710785394 + ... + 395710785433.

It is an arithmetic number, because the mean of its divisors is an integer number (2769975497898).

Almost surely, 2^{15828431416540} is an apocalyptic number.

15828431416540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15828431416540 is an abundant number, since it is smaller than the sum of its proper divisors (17411274558236).

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

15828431416540 is a wasteful number, since it uses less digits than its factorization.

15828431416540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791421570836 (or 791421570834 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 52.

The spelling of 15828431416540 in words is "fifteen trillion, eight hundred twenty-eight billion, four hundred thirty-one million, four hundred sixteen thousand, five hundred forty".