13525440360 has 128 divisors (see below), whose sum is σ = 41612486400. Its totient is φ = 3515832320.

The previous prime is 13525440323. The next prime is 13525440361. The reversal of 13525440360 is 6304452531.

It is not an unprimeable number, because it can be changed into a prime (13525440361) 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, 749362 + ... + 767198.

It is an arithmetic number, because the mean of its divisors is an integer number (325097550).

Almost surely, 2^13525440360 is an apocalyptic number.

13525440360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13525440360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20806243200).

13525440360 is an abundant number, since it is smaller than the sum of its proper divisors (28087046040).

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

13525440360 is a wasteful number, since it uses less digits than its factorization.

13525440360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18011 (or 18007 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 13525440360 its reverse (6304452531), we get a palindrome (19829892891).

The spelling of 13525440360 in words is "thirteen billion, five hundred twenty-five million, four hundred forty thousand, three hundred sixty".