13444011320 has 32 divisors (see below), whose sum is σ = 30613479120. Its totient is φ = 5312812800.

The previous prime is 13444011319. The next prime is 13444011377. The reversal of 13444011320 is 2311044431.

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, 2021381 + ... + 2028020.

Almost surely, 2^13444011320 is an apocalyptic number.

13444011320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13444011320 is an abundant number, since it is smaller than the sum of its proper divisors (17169467800).

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

13444011320 is a wasteful number, since it uses less digits than its factorization.

13444011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049495 (or 4049491 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13444011320 its reverse (2311044431), we get a palindrome (15755055751).

The spelling of 13444011320 in words is "thirteen billion, four hundred forty-four million, eleven thousand, three hundred twenty".