566845440 has 224 divisors, whose sum is σ = 2076053760. Its totient is φ = 129368064.

The previous prime is 566845387. The next prime is 566845457. The reversal of 566845440 is 44548665.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 566845392 and 566845401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859831 + ... + 860489.

Almost surely, 2^566845440 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 566845440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1038026880).

566845440 is an abundant number, since it is smaller than the sum of its proper divisors (1509208320).

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

566845440 is an equidigital number, since it uses as much as digits as its factorization.

566845440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 566845440 is about 23808.5161234378. The cubic root of 566845440 is about 827.6020398503.

The spelling of 566845440 in words is "five hundred sixty-six million, eight hundred forty-five thousand, four hundred forty".