13432311444 has 24 divisors (see below), whose sum is σ = 31346900928. Its totient is φ = 4476745600.

The previous prime is 13432311419. The next prime is 13432311457. The reversal of 13432311444 is 44411323431.

It is a super-2 number, since 2×13432311444² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 2232 + ... + 163919.

It is an arithmetic number, because the mean of its divisors is an integer number (1306120872).

Almost surely, 2^13432311444 is an apocalyptic number.

It is an amenable number.

13432311444 is an abundant number, since it is smaller than the sum of its proper divisors (17914589484).

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

13432311444 is a wasteful number, since it uses less digits than its factorization.

13432311444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172895 (or 172893 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 13432311444 its reverse (44411323431), we get a palindrome (57843634875).

The spelling of 13432311444 in words is "thirteen billion, four hundred thirty-two million, three hundred eleven thousand, four hundred forty-four".