13520254044 has 48 divisors (see below), whose sum is σ = 34423240320. Its totient is φ = 4096088640.

The previous prime is 13520254039. The next prime is 13520254081. The reversal of 13520254044 is 44045202531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726447 + ... + 744825.

It is an arithmetic number, because the mean of its divisors is an integer number (717150840).

Almost surely, 2^13520254044 is an apocalyptic number.

It is an amenable number.

13520254044 is an abundant number, since it is smaller than the sum of its proper divisors (20902986276).

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

13520254044 is a wasteful number, since it uses less digits than its factorization.

13520254044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23970 (or 23968 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 13520254044 its reverse (44045202531), we get a palindrome (57565456575).

The spelling of 13520254044 in words is "thirteen billion, five hundred twenty million, two hundred fifty-four thousand, forty-four".