13403132544 has 64 divisors (see below), whose sum is σ = 35614556640. Its totient is φ = 4466144256.

The previous prime is 13403132531. The next prime is 13403132549. The reversal of 13403132544 is 44523130431.

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

It is not an unprimeable number, because it can be changed into a prime (13403132549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1732974 + ... + 1740690.

Almost surely, 2^13403132544 is an apocalyptic number.

It is an amenable number.

13403132544 is an abundant number, since it is smaller than the sum of its proper divisors (22211424096).

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

13403132544 is an equidigital number, since it uses as much as digits as its factorization.

13403132544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12257 (or 12245 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 13403132544 its reverse (44523130431), we get a palindrome (57926262975).

The spelling of 13403132544 in words is "thirteen billion, four hundred three million, one hundred thirty-two thousand, five hundred forty-four".