13204323444 has 96 divisors (see below), whose sum is σ = 34204778496. Its totient is φ = 3939027840.

The previous prime is 13204323443. The next prime is 13204323449. The reversal of 13204323444 is 44432340231.

It is a happy number.

13204323444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13204323444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204323443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 776109 + ... + 792939.

It is an arithmetic number, because the mean of its divisors is an integer number (356299776).

Almost surely, 2^13204323444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13204323444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17102389248).

13204323444 is an abundant number, since it is smaller than the sum of its proper divisors (21000455052).

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

13204323444 is a wasteful number, since it uses less digits than its factorization.

13204323444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17005 (or 17003 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 13204323444 its reverse (44432340231), we get a palindrome (57636663675).

The spelling of 13204323444 in words is "thirteen billion, two hundred four million, three hundred twenty-three thousand, four hundred forty-four".