13044404402 has 16 divisors (see below), whose sum is σ = 20841649920. Its totient is φ = 6101782848.

The previous prime is 13044404389. The next prime is 13044404407. The reversal of 13044404402 is 20440444031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13044404407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143002 + ... + 1154357.

It is an arithmetic number, because the mean of its divisors is an integer number (1302603120).

Almost surely, 2^13044404402 is an apocalyptic number.

13044404402 is a deficient number, since it is larger than the sum of its proper divisors (7797245518).

13044404402 is a wasteful number, since it uses less digits than its factorization.

13044404402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297545.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 13044404402 its reverse (20440444031), we get a palindrome (33484848433).

The spelling of 13044404402 in words is "thirteen billion, forty-four million, four hundred four thousand, four hundred two".