13502401044 has 96 divisors (see below), whose sum is σ = 36702167040. Its totient is φ = 3823075200.

The previous prime is 13502401043. The next prime is 13502401069. The reversal of 13502401044 is 44010420531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13502401043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61777 + ... + 175559.

It is an arithmetic number, because the mean of its divisors is an integer number (382314240).

Almost surely, 2^13502401044 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 13502401044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18351083520).

13502401044 is an abundant number, since it is smaller than the sum of its proper divisors (23199765996).

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

13502401044 is a wasteful number, since it uses less digits than its factorization.

13502401044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113861 (or 113859 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 13502401044 its reverse (44010420531), we get a palindrome (57512821575).

The spelling of 13502401044 in words is "thirteen billion, five hundred two million, four hundred one thousand, forty-four".