563636444 has 24 divisors (see below), whose sum is σ = 1186604160. Its totient is φ = 228844656.

The previous prime is 563636443. The next prime is 563636449. The reversal of 563636444 is 444636365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563636443) 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 7 ways as a sum of consecutive naturals, for example, 529202 + ... + 530265.

It is an arithmetic number, because the mean of its divisors is an integer number (49441840).

Almost surely, 2^563636444 is an apocalyptic number.

It is an amenable number.

563636444 is an abundant number, since it is smaller than the sum of its proper divisors (622967716).

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

563636444 is a wasteful number, since it uses less digits than its factorization.

563636444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059497 (or 1059495 counting only the distinct ones).

The product of its digits is 622080, while the sum is 41.

The square root of 563636444 is about 23741.0287055974. The cubic root of 563636444 is about 826.0373575805.

The spelling of 563636444 in words is "five hundred sixty-three million, six hundred thirty-six thousand, four hundred forty-four".