563603440 has 40 divisors (see below), whose sum is σ = 1311612480. Its totient is φ = 225229056.

The previous prime is 563603437. The next prime is 563603489. The reversal of 563603440 is 44306365.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 103506 + ... + 108814.

It is an arithmetic number, because the mean of its divisors is an integer number (32790312).

Almost surely, 2^563603440 is an apocalyptic number.

It is an amenable number.

563603440 is an abundant number, since it is smaller than the sum of its proper divisors (748009040).

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

563603440 is a wasteful number, since it uses less digits than its factorization.

563603440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6649 (or 6643 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 563603440 is about 23740.3336118092. Note that the first 3 decimals coincide. The cubic root of 563603440 is about 826.0212342623.

The spelling of 563603440 in words is "five hundred sixty-three million, six hundred three thousand, four hundred forty".