13232044240 has 40 divisors (see below), whose sum is σ = 31185948168. Its totient is φ = 5220311040.

The previous prime is 13232044211. The next prime is 13232044307. The reversal of 13232044240 is 4244023231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2630458944 + 10601585296 = 51288^2 + 102964^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 1127041 + ... + 1138720.

Almost surely, 2^13232044240 is an apocalyptic number.

13232044240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13232044240 is an abundant number, since it is smaller than the sum of its proper divisors (17953903928).

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

13232044240 is a wasteful number, since it uses less digits than its factorization.

13232044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265847 (or 2265841 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 13232044240 its reverse (4244023231), we get a palindrome (17476067471).

The spelling of 13232044240 in words is "thirteen billion, two hundred thirty-two million, forty-four thousand, two hundred forty".