13004016444 has 36 divisors (see below), whose sum is σ = 32875459344. Its totient is φ = 4334118912.

The previous prime is 13004016413. The next prime is 13004016457. The reversal of 13004016444 is 44461040031.

13004016444 is a `hidden beast` number, since 13 + 0 + 0 + 4 + 0 + 1 + 644 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342204 + ... + 378300.

It is an arithmetic number, because the mean of its divisors is an integer number (913207204).

Almost surely, 2^13004016444 is an apocalyptic number.

It is an amenable number.

13004016444 is an abundant number, since it is smaller than the sum of its proper divisors (19871442900).

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

13004016444 is a wasteful number, since it uses less digits than its factorization.

13004016444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46114 (or 46109 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 13004016444 its reverse (44461040031), we get a palindrome (57465056475).

The spelling of 13004016444 in words is "thirteen billion, four million, sixteen thousand, four hundred forty-four".