563642928 has 160 divisors (see below), whose sum is σ = 1672601280. Its totient is φ = 181647360.

The previous prime is 563642921. The next prime is 563642929. The reversal of 563642928 is 829246365.

563642928 is a `hidden beast` number, since 5 + 636 + 4 + 2 + 9 + 2 + 8 = 666.

Its product of digits (622080) is a multiple of the sum of its prime divisors (432).

It is not an unprimeable number, because it can be changed into a prime (563642921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1923550 + ... + 1923842.

It is an arithmetic number, because the mean of its divisors is an integer number (10453758).

Almost surely, 2^563642928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563642928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836300640).

563642928 is an abundant number, since it is smaller than the sum of its proper divisors (1108958352).

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

563642928 is a wasteful number, since it uses less digits than its factorization.

563642928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 432 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 563642928 is about 23741.1652620506. The cubic root of 563642928 is about 826.0405251102.

The spelling of 563642928 in words is "five hundred sixty-three million, six hundred forty-two thousand, nine hundred twenty-eight".