14244425440 has 144 divisors (see below), whose sum is σ = 39265258032. Its totient is φ = 4869021696.

The previous prime is 14244425417. The next prime is 14244425453. The reversal of 14244425440 is 4452444241.

It is a happy number.

It is a super-2 number, since 2×14244425440² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14244425396 and 14244425405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2764947 + ... + 2770093.

It is an arithmetic number, because the mean of its divisors is an integer number (272675403).

Almost surely, 2^14244425440 is an apocalyptic number.

14244425440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14244425440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19632629016).

14244425440 is an abundant number, since it is smaller than the sum of its proper divisors (25020832592).

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

14244425440 is a wasteful number, since it uses less digits than its factorization.

14244425440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529 (or 5514 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 34.

Adding to 14244425440 its reverse (4452444241), we get a palindrome (18696869681).

The spelling of 14244425440 in words is "fourteen billion, two hundred forty-four million, four hundred twenty-five thousand, four hundred forty".