563493940 has 12 divisors (see below), whose sum is σ = 1183337316. Its totient is φ = 225397568.

The previous prime is 563493929. The next prime is 563493949. The reversal of 563493940 is 49394365.

It can be written as a sum of positive squares in 2 ways, for example, as 202037796 + 361456144 = 14214^2 + 19012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563493949) 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 3 ways as a sum of consecutive naturals, for example, 14087329 + ... + 14087368.

It is an arithmetic number, because the mean of its divisors is an integer number (98611443).

Almost surely, 2^563493940 is an apocalyptic number.

It is an amenable number.

563493940 is an abundant number, since it is smaller than the sum of its proper divisors (619843376).

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

563493940 is a wasteful number, since it uses less digits than its factorization.

563493940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28174706 (or 28174704 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 43.

The square root of 563493940 is about 23738.0272979875. The cubic root of 563493940 is about 825.9677361364.

The spelling of 563493940 in words is "five hundred sixty-three million, four hundred ninety-three thousand, nine hundred forty".