13320242444 has 12 divisors (see below), whose sum is σ = 23312675568. Its totient is φ = 6659478000.

The previous prime is 13320242443. The next prime is 13320242447. The reversal of 13320242444 is 44424202331.

It is not an unprimeable number, because it can be changed into a prime (13320242443) 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, 112607 + ... + 198294.

It is an arithmetic number, because the mean of its divisors is an integer number (1942722964).

Almost surely, 2^13320242444 is an apocalyptic number.

It is an amenable number.

13320242444 is a deficient number, since it is larger than the sum of its proper divisors (9992433124).

13320242444 is a wasteful number, since it uses less digits than its factorization.

13320242444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321616 (or 321614 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 13320242444 its reverse (44424202331), we get a palindrome (57744444775).

The spelling of 13320242444 in words is "thirteen billion, three hundred twenty million, two hundred forty-two thousand, four hundred forty-four".