13240443288 has 32 divisors (see below), whose sum is σ = 33246941760. Its totient is φ = 4394036640.

The previous prime is 13240443277. The next prime is 13240443289. The reversal of 13240443288 is 88234404231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240443289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209718 + ... + 1220613.

It is an arithmetic number, because the mean of its divisors is an integer number (1038966930).

Almost surely, 2^13240443288 is an apocalyptic number.

It is an amenable number.

13240443288 is an abundant number, since it is smaller than the sum of its proper divisors (20006498472).

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

13240443288 is a wasteful number, since it uses less digits than its factorization.

13240443288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430567 (or 2430563 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 13240443288 in words is "thirteen billion, two hundred forty million, four hundred forty-three thousand, two hundred eighty-eight".