563281968 has 40 divisors (see below), whose sum is σ = 1479816000. Its totient is φ = 184577344.

The previous prime is 563281921. The next prime is 563281973. The reversal of 563281968 is 869182365.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96618 + ... + 102281.

It is an arithmetic number, because the mean of its divisors is an integer number (36995400).

Almost surely, 2^563281968 is an apocalyptic number.

It is an amenable number.

563281968 is an abundant number, since it is smaller than the sum of its proper divisors (916534032).

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

563281968 is a wasteful number, since it uses less digits than its factorization.

563281968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198969 (or 198963 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 563281968 is about 23733.5620588229. The cubic root of 563281968 is about 825.8641538385.

The spelling of 563281968 in words is "five hundred sixty-three million, two hundred eighty-one thousand, nine hundred sixty-eight".