13444414172 has 24 divisors (see below), whose sum is σ = 26891291616. Its totient is φ = 5761363968.

The previous prime is 13444414171. The next prime is 13444414187. The reversal of 13444414172 is 27141444431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444414171) 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, 551228 + ... + 575100.

It is an arithmetic number, because the mean of its divisors is an integer number (1120470484).

Almost surely, 2^13444414172 is an apocalyptic number.

It is an amenable number.

13444414172 is an abundant number, since it is smaller than the sum of its proper divisors (13446877444).

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

13444414172 is a wasteful number, since it uses less digits than its factorization.

13444414172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43997 (or 43995 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The spelling of 13444414172 in words is "thirteen billion, four hundred forty-four million, four hundred fourteen thousand, one hundred seventy-two".