13351144404 has 96 divisors (see below), whose sum is σ = 34282281600. Its totient is φ = 4019102208.

The previous prime is 13351144399. The next prime is 13351144427. The reversal of 13351144404 is 40444115331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1553062 + ... + 1561634.

It is an arithmetic number, because the mean of its divisors is an integer number (357107100).

Almost surely, 2^13351144404 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 13351144404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17141140800).

13351144404 is an abundant number, since it is smaller than the sum of its proper divisors (20931137196).

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

13351144404 is a wasteful number, since it uses less digits than its factorization.

13351144404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8809 (or 8807 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 13351144404 its reverse (40444115331), we get a palindrome (53795259735).

The spelling of 13351144404 in words is "thirteen billion, three hundred fifty-one million, one hundred forty-four thousand, four hundred four".