566535844 has 96 divisors (see below), whose sum is σ = 1234688000. Its totient is φ = 226709280.

The previous prime is 566535841. The next prime is 566535857. The reversal of 566535844 is 448535665.

It is a junction number, because it is equal to n+sod(n) for n = 566535794 and 566535803.

It is not an unprimeable number, because it can be changed into a prime (566535841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2684899 + ... + 2685109.

Almost surely, 2^566535844 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 566535844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617344000).

566535844 is an abundant number, since it is smaller than the sum of its proper divisors (668152156).

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

566535844 is a wasteful number, since it uses less digits than its factorization.

566535844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 342 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 46.

The square root of 566535844 is about 23802.0134442446. The cubic root of 566535844 is about 827.4513409564.

The spelling of 566535844 in words is "five hundred sixty-six million, five hundred thirty-five thousand, eight hundred forty-four".