13505440504 has 32 divisors (see below), whose sum is σ = 25776475200. Its totient is φ = 6632046720.

The previous prime is 13505440493. The next prime is 13505440519. The reversal of 13505440504 is 40504450531.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 309937 + ... + 350815.

It is an arithmetic number, because the mean of its divisors is an integer number (805514850).

Almost surely, 2^13505440504 is an apocalyptic number.

It is an amenable number.

13505440504 is a deficient number, since it is larger than the sum of its proper divisors (12271034696).

13505440504 is a wasteful number, since it uses less digits than its factorization.

13505440504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41623 (or 41619 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 13505440504 in words is "thirteen billion, five hundred five million, four hundred forty thousand, five hundred four".