13344425444 has 12 divisors (see below), whose sum is σ = 26688850944. Its totient is φ = 5719039464.

The previous prime is 13344425399. The next prime is 13344425449. The reversal of 13344425444 is 44452444331.

13344425444 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13344425398 and 13344425407.

It is not an unprimeable number, because it can be changed into a prime (13344425449) 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, 238293284 + ... + 238293339.

It is an arithmetic number, because the mean of its divisors is an integer number (2224070912).

Almost surely, 2^13344425444 is an apocalyptic number.

13344425444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13344425444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13344425444 is a wasteful number, since it uses less digits than its factorization.

13344425444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476586634 (or 476586632 counting only the distinct ones).

The product of its digits is 368640, while the sum is 38.

Adding to 13344425444 its reverse (44452444331), we get a palindrome (57796869775).

The spelling of 13344425444 in words is "thirteen billion, three hundred forty-four million, four hundred twenty-five thousand, four hundred forty-four".