13505426244 has 24 divisors (see below), whose sum is σ = 35014068320. Its totient is φ = 4501808712.

The previous prime is 13505426227. The next prime is 13505426317. The reversal of 13505426244 is 44262450531.

13505426244 is a `hidden beast` number, since 1 + 3 + 50 + 542 + 62 + 4 + 4 = 666.

13505426244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13505426199 and 13505426208.

It is an unprimeable number.

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, 62525014 + ... + 62525229.

Almost surely, 2^13505426244 is an apocalyptic number.

It is an amenable number.

13505426244 is an abundant number, since it is smaller than the sum of its proper divisors (21508642076).

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

13505426244 is a wasteful number, since it uses less digits than its factorization.

13505426244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125050256 (or 125050248 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 13505426244 its reverse (44262450531), we get a palindrome (57767876775).

The spelling of 13505426244 in words is "thirteen billion, five hundred five million, four hundred twenty-six thousand, two hundred forty-four".