244164636 has 18 divisors (see below), whose sum is σ = 617194032. Its totient is φ = 81388200.

The previous prime is 244164631. The next prime is 244164653. The reversal of 244164636 is 636461442.

244164636 is a `hidden beast` number, since 2 + 4 + 4 + 1 + 646 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6782351 = 244164636 / (2 + 4 + 4 + 1 + 6 + 4 + 6 + 3 + 6).

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

It is a self number, because there is not a number n which added to its sum of digits gives 244164636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244164631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3391140 + ... + 3391211.

Almost surely, 2^244164636 is an apocalyptic number.

It is an amenable number.

244164636 is an abundant number, since it is smaller than the sum of its proper divisors (373029396).

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

244164636 is a wasteful number, since it uses less digits than its factorization.

244164636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6782361 (or 6782356 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 244164636 is about 15625.7683331093. The cubic root of 244164636 is about 625.0204887150.

The spelling of 244164636 in words is "two hundred forty-four million, one hundred sixty-four thousand, six hundred thirty-six".