13525440344 has 16 divisors (see below), whose sum is σ = 27310985520. Its totient is φ = 6242510880.

The previous prime is 13525440323. The next prime is 13525440361. The reversal of 13525440344 is 44304452531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65026052 + ... + 65026259.

It is an arithmetic number, because the mean of its divisors is an integer number (1706936595).

Almost surely, 2^13525440344 is an apocalyptic number.

It is an amenable number.

13525440344 is an abundant number, since it is smaller than the sum of its proper divisors (13785545176).

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

13525440344 is a wasteful number, since it uses less digits than its factorization.

13525440344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130052330 (or 130052326 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 13525440344 its reverse (44304452531), we get a palindrome (57829892875).

The spelling of 13525440344 in words is "thirteen billion, five hundred twenty-five million, four hundred forty thousand, three hundred forty-four".