13224453242446 has 32 divisors (see below), whose sum is σ = 20018389902336. Its totient is φ = 6551885340000.

The previous prime is 13224453242443. The next prime is 13224453242453. The reversal of 13224453242446 is 64424235442231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13224453242396 and 13224453242405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224453242443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618214411 + ... + 618235801.

It is an arithmetic number, because the mean of its divisors is an integer number (625574684448).

Almost surely, 2^{13224453242446} is an apocalyptic number.

13224453242446 is a deficient number, since it is larger than the sum of its proper divisors (6793936659890).

13224453242446 is a wasteful number, since it uses less digits than its factorization.

13224453242446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26608.

The product of its digits is 4423680, while the sum is 46.

Adding to 13224453242446 its reverse (64424235442231), we get a palindrome (77648688684677).

The spelling of 13224453242446 in words is "thirteen trillion, two hundred twenty-four billion, four hundred fifty-three million, two hundred forty-two thousand, four hundred forty-six".