15696424032 has 48 divisors (see below), whose sum is σ = 41980543920. Its totient is φ = 5133420032.

The previous prime is 15696423959. The next prime is 15696424033. The reversal of 15696424032 is 23042469651.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15696424033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537407 + ... + 1547582.

It is an arithmetic number, because the mean of its divisors is an integer number (874594665).

Almost surely, 2^15696424032 is an apocalyptic number.

15696424032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15696424032 is an abundant number, since it is smaller than the sum of its proper divisors (26284119888).

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

15696424032 is a wasteful number, since it uses less digits than its factorization.

15696424032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085055 (or 3085047 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 15696424032 in words is "fifteen billion, six hundred ninety-six million, four hundred twenty-four thousand, thirty-two".