563831040 has 144 divisors (see below), whose sum is σ = 1810166400. Its totient is φ = 149569536.

The previous prime is 563831033. The next prime is 563831041. The reversal of 563831040 is 40138365.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 563830989 and 563831007.

It is not an unprimeable number, because it can be changed into a prime (563831041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1378356 + ... + 1378764.

It is an arithmetic number, because the mean of its divisors is an integer number (12570600).

Almost surely, 2^563831040 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 563831040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905083200).

563831040 is an abundant number, since it is smaller than the sum of its proper divisors (1246335360).

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

563831040 is a wasteful number, since it uses less digits than its factorization.

563831040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 563831040 is about 23745.1266579060. The cubic root of 563831040 is about 826.1324100278.

The spelling of 563831040 in words is "five hundred sixty-three million, eight hundred thirty-one thousand, forty".