566040 has 64 divisors (see below), whose sum is σ = 1749600. Its totient is φ = 146432.

The previous prime is 566023. The next prime is 566047. The reversal of 566040 is 40665.

It is a junction number, because it is equal to n+sod(n) for n = 565998 and 566016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6316 + ... + 6404.

2⁵⁶⁶⁰⁴⁰ 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 566040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874800).

566040 is an abundant number, since it is smaller than the sum of its proper divisors (1183560).

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

566040 is a wasteful number, since it uses less digits than its factorization.

566040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 566040 is about 752.3562985714. The cubic root of 566040 is about 82.7209869599.

The spelling of 566040 in words is "five hundred sixty-six thousand, forty".