13220414344 has 32 divisors (see below), whose sum is σ = 26676696600. Its totient is φ = 6119377920.

The previous prime is 13220414341. The next prime is 13220414369. The reversal of 13220414344 is 44341402231.

It can be written as a sum of positive squares in 4 ways, for example, as 12488062500 + 732351844 = 111750^2 + 27062^2 .

It is not an unprimeable number, because it can be changed into a prime (13220414341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788499 + ... + 805090.

Almost surely, 2^13220414344 is an apocalyptic number.

It is an amenable number.

13220414344 is an abundant number, since it is smaller than the sum of its proper divisors (13456282256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13220414344 is a wasteful number, since it uses less digits than its factorization.

13220414344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593673 (or 1593669 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 13220414344 its reverse (44341402231), we get a palindrome (57561816575).

The spelling of 13220414344 in words is "thirteen billion, two hundred twenty million, four hundred fourteen thousand, three hundred forty-four".