566535440 has 40 divisors (see below), whose sum is σ = 1319969088. Its totient is φ = 226136960.

The previous prime is 566535433. The next prime is 566535461. The reversal of 566535440 is 44535665.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 566535394 and 566535403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32069 + ... + 46491.

Almost surely, 2^566535440 is an apocalyptic number.

It is an amenable number.

566535440 is an abundant number, since it is smaller than the sum of its proper divisors (753433648).

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

566535440 is a wasteful number, since it uses less digits than its factorization.

566535440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14927 (or 14921 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 566535440 is about 23802.0049575661. The cubic root of 566535440 is about 827.4511442696.

The spelling of 566535440 in words is "five hundred sixty-six million, five hundred thirty-five thousand, four hundred forty".