563669280 has 480 divisors, whose sum is σ = 2177860608. Its totient is φ = 136857600.

The previous prime is 563669279. The next prime is 563669299. The reversal of 563669280 is 82966365.

It is a happy number.

563669280 is a `hidden beast` number, since 5 + 6 + 366 + 9 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9240450 + ... + 9240510.

Almost surely, 2^563669280 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 563669280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1088930304).

563669280 is an abundant number, since it is smaller than the sum of its proper divisors (1614191328).

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

563669280 is a wasteful number, since it uses less digits than its factorization.

563669280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 563669280 is about 23741.7202409598. The cubic root of 563669280 is about 826.0533982016.

The spelling of 563669280 in words is "five hundred sixty-three million, six hundred sixty-nine thousand, two hundred eighty".