563311840 has 144 divisors (see below), whose sum is σ = 1667488032. Its totient is φ = 178246656.

The previous prime is 563311831. The next prime is 563311849. The reversal of 563311840 is 48113365.

It is an interprime number because it is at equal distance from previous prime (563311831) and next prime (563311849).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563311849) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 99157 + ... + 104683.

It is an arithmetic number, because the mean of its divisors is an integer number (11579778).

Almost surely, 2^563311840 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 563311840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833744016).

563311840 is an abundant number, since it is smaller than the sum of its proper divisors (1104176192).

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

563311840 is a wasteful number, since it uses less digits than its factorization.

563311840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5569 (or 5554 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 563311840 is about 23734.1913702574. The cubic root of 563311840 is about 825.8787526714.

The spelling of 563311840 in words is "five hundred sixty-three million, three hundred eleven thousand, eight hundred forty".