13444404412 has 12 divisors (see below), whose sum is σ = 23612647240. Its totient is φ = 6697933776.

The previous prime is 13444404403. The next prime is 13444404419. The reversal of 13444404412 is 21440444431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444404419) 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, 6065862 + ... + 6068077.

Almost surely, 2^13444404412 is an apocalyptic number.

It is an amenable number.

13444404412 is a deficient number, since it is larger than the sum of its proper divisors (10168242828).

13444404412 is a wasteful number, since it uses less digits than its factorization.

13444404412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12134220 (or 12134218 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 13444404412 its reverse (21440444431), we get a palindrome (34884848843).

The spelling of 13444404412 in words is "thirteen billion, four hundred forty-four million, four hundred four thousand, four hundred twelve".