13485894044 has 24 divisors (see below), whose sum is σ = 27152815200. Its totient is φ = 5740877376.

The previous prime is 13485894031. The next prime is 13485894047. The reversal of 13485894044 is 44049858431.

13485894044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13485893983 and 13485894001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13485894047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1612067 + ... + 1620410.

It is an arithmetic number, because the mean of its divisors is an integer number (1131367300).

Almost surely, 2^13485894044 is an apocalyptic number.

13485894044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13485894044 is an abundant number, since it is smaller than the sum of its proper divisors (13666921156).

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

13485894044 is a wasteful number, since it uses less digits than its factorization.

13485894044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232637 (or 3232635 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 13485894044 in words is "thirteen billion, four hundred eighty-five million, eight hundred ninety-four thousand, forty-four".