13240243344 has 160 divisors (see below), whose sum is σ = 35956555776. Its totient is φ = 4193326080.

The previous prime is 13240243339. The next prime is 13240243369. The reversal of 13240243344 is 44334204231.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 21812289 + ... + 21812895.

Almost surely, 2^13240243344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13240243344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17978277888).

13240243344 is an abundant number, since it is smaller than the sum of its proper divisors (22716312432).

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

13240243344 is a wasteful number, since it uses less digits than its factorization.

13240243344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 13240243344 its reverse (44334204231), we get a palindrome (57574447575).

The spelling of 13240243344 in words is "thirteen billion, two hundred forty million, two hundred forty-three thousand, three hundred forty-four".