563361280 has 40 divisors (see below), whose sum is σ = 1350752832. Its totient is φ = 225343488.

The previous prime is 563361277. The next prime is 563361289. The reversal of 563361280 is 82163365.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563361289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107472 + ... + 112591.

Almost surely, 2^563361280 is an apocalyptic number.

It is an amenable number.

563361280 is an abundant number, since it is smaller than the sum of its proper divisors (787391552).

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

563361280 is an equidigital number, since it uses as much as digits as its factorization.

563361280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220086 (or 220070 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 563361280 is about 23735.2328827842. The cubic root of 563361280 is about 825.9029135051.

The spelling of 563361280 in words is "five hundred sixty-three million, three hundred sixty-one thousand, two hundred eighty".