21444317014306 has 64 divisors (see below), whose sum is σ = 33008947937280. Its totient is φ = 10446180189120.

The previous prime is 21444317014303. The next prime is 21444317014331. The reversal of 21444317014306 is 60341071344412.

It is not an unprimeable number, because it can be changed into a prime (21444317014303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2023616200 + ... + 2023626796.

It is an arithmetic number, because the mean of its divisors is an integer number (515764811520).

Almost surely, 2^{21444317014306} is an apocalyptic number.

21444317014306 is a deficient number, since it is larger than the sum of its proper divisors (11564630922974).

21444317014306 is a wasteful number, since it uses less digits than its factorization.

21444317014306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11399.

The product of its (nonzero) digits is 193536, while the sum is 40.

Adding to 21444317014306 its reverse (60341071344412), we get a palindrome (81785388358718).

The spelling of 21444317014306 in words is "twenty-one trillion, four hundred forty-four billion, three hundred seventeen million, fourteen thousand, three hundred six".