14044442216405 has 4 divisors (see below), whose sum is σ = 16853330659692. Its totient is φ = 11235553773120.

The previous prime is 14044442216353. The next prime is 14044442216407. The reversal of 14044442216405 is 50461224444041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1419943924996 + 12624498291409 = 1191614^2 + 3553097^2 .

It is not a de Polignac number, because 14044442216405 - 2¹⁴ = 14044442200021 is a prime.

It is a super-2 number, since 2×14044442216405² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14044442216407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404444221636 + ... + 1404444221645.

It is an arithmetic number, because the mean of its divisors is an integer number (4213332664923).

Almost surely, 2^{14044442216405} is an apocalyptic number.

It is an amenable number.

14044442216405 is a deficient number, since it is larger than the sum of its proper divisors (2808888443287).

14044442216405 is an equidigital number, since it uses as much as digits as its factorization.

14044442216405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808888443286.

The product of its (nonzero) digits is 491520, while the sum is 41.

The spelling of 14044442216405 in words is "fourteen trillion, forty-four billion, four hundred forty-two million, two hundred sixteen thousand, four hundred five".