563563889280 has 896 divisors, whose sum is σ = 2362825365120. Its totient is φ = 125787561984.

The previous prime is 563563889227. The next prime is 563563889297. The reversal of 563563889280 is 82988365365.

563563889280 is a `hidden beast` number, since 5 + 63 + 563 + 8 + 8 + 9 + 2 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (896).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

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 111 ways as a sum of consecutive naturals, for example, 140432554 + ... + 140436566.

Almost surely, 2^563563889280 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 563563889280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181412682560).

563563889280 is an abundant number, since it is smaller than the sum of its proper divisors (1799261475840).

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

563563889280 is an equidigital number, since it uses as much as digits as its factorization.

563563889280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100 (or 4073 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 63.

The spelling of 563563889280 in words is "five hundred sixty-three billion, five hundred sixty-three million, eight hundred eighty-nine thousand, two hundred eighty".