13444611420 has 24 divisors (see below), whose sum is σ = 37644912144. Its totient is φ = 3585229696.

The previous prime is 13444611409. The next prime is 13444611421. The reversal of 13444611420 is 2411644431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444611421) 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, 112038369 + ... + 112038488.

It is an arithmetic number, because the mean of its divisors is an integer number (1568538006).

Almost surely, 2^13444611420 is an apocalyptic number.

13444611420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13444611420 is an abundant number, since it is smaller than the sum of its proper divisors (24200300724).

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

13444611420 is a wasteful number, since it uses less digits than its factorization.

13444611420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224076869 (or 224076867 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 13444611420 in words is "thirteen billion, four hundred forty-four million, six hundred eleven thousand, four hundred twenty".