13444355446 has 16 divisors (see below), whose sum is σ = 21929904576. Its totient is φ = 6155761536.

The previous prime is 13444355389. The next prime is 13444355453. The reversal of 13444355446 is 64455344431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5342286 + ... + 5344801.

It is an arithmetic number, because the mean of its divisors is an integer number (1370619036).

Almost surely, 2^13444355446 is an apocalyptic number.

13444355446 is a deficient number, since it is larger than the sum of its proper divisors (8485549130).

13444355446 is a wasteful number, since it uses less digits than its factorization.

13444355446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10687143.

The product of its digits is 1382400, while the sum is 43.

Adding to 13444355446 its reverse (64455344431), we get a palindrome (77899699877).

The spelling of 13444355446 in words is "thirteen billion, four hundred forty-four million, three hundred fifty-five thousand, four hundred forty-six".