13644242424 has 64 divisors (see below), whose sum is σ = 38248452000. Its totient is φ = 4506347520.

The previous prime is 13644242407. The next prime is 13644242497. The reversal of 13644242424 is 42424244631.

13644242424 is a `hidden beast` number, since 1 + 3 + 644 + 2 + 4 + 2 + 4 + 2 + 4 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266217 + ... + 313304.

Almost surely, 2^13644242424 is an apocalyptic number.

It is an amenable number.

13644242424 is an abundant number, since it is smaller than the sum of its proper divisors (24604209576).

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

13644242424 is a wasteful number, since it uses less digits than its factorization.

13644242424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579645 (or 579635 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

The spelling of 13644242424 in words is "thirteen billion, six hundred forty-four million, two hundred forty-two thousand, four hundred twenty-four".