13040443300232 has 64 divisors (see below), whose sum is σ = 24685528578480. Its totient is φ = 6457981960192.

The previous prime is 13040443300151. The next prime is 13040443300237. The reversal of 13040443300232 is 23200334404031.

It can be written as a sum of positive squares in 8 ways, for example, as 12848453856676 + 191989443556 = 3584474^2 + 438166^2 .

It is a super-2 number, since 2×13040443300232² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13040443300195 and 13040443300204.

It is not an unprimeable number, because it can be changed into a prime (13040443300237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440050088 + ... + 440079720.

Almost surely, 2^{13040443300232} is an apocalyptic number.

It is an amenable number.

13040443300232 is a deficient number, since it is larger than the sum of its proper divisors (11645085278248).

13040443300232 is a wasteful number, since it uses less digits than its factorization.

13040443300232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31082 (or 31078 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 13040443300232 its reverse (23200334404031), we get a palindrome (36240777704263).

The spelling of 13040443300232 in words is "thirteen trillion, forty billion, four hundred forty-three million, three hundred thousand, two hundred thirty-two".