13226443392 has 64 divisors (see below), whose sum is σ = 35156217600. Its totient is φ = 4405868544.

The previous prime is 13226443333. The next prime is 13226443441. The reversal of 13226443392 is 29334462231.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 13226443392.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607153 + ... + 628559.

It is an arithmetic number, because the mean of its divisors is an integer number (549315900).

Almost surely, 2^13226443392 is an apocalyptic number.

13226443392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13226443392 is an abundant number, since it is smaller than the sum of its proper divisors (21929774208).

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

13226443392 is a wasteful number, since it uses less digits than its factorization.

13226443392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23033 (or 23021 counting only the distinct ones).

The product of its digits is 186624, while the sum is 39.

The spelling of 13226443392 in words is "thirteen billion, two hundred twenty-six million, four hundred forty-three thousand, three hundred ninety-two".