15426643936 has 24 divisors (see below), whose sum is σ = 33132224664. Its totient is φ = 7012110720.

The previous prime is 15426643907. The next prime is 15426643943. The reversal of 15426643936 is 63934662451.

It is a self number, because there is not a number n which added to its sum of digits gives 15426643936.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21912495 + ... + 21913198.

It is an arithmetic number, because the mean of its divisors is an integer number (1380509361).

Almost surely, 2^15426643936 is an apocalyptic number.

15426643936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15426643936 is an abundant number, since it is smaller than the sum of its proper divisors (17705580728).

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

15426643936 is a wasteful number, since it uses less digits than its factorization.

15426643936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43825714 (or 43825706 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 49.

The spelling of 15426643936 in words is "fifteen billion, four hundred twenty-six million, six hundred forty-three thousand, nine hundred thirty-six".