1005040566 has 24 divisors (see below), whose sum is σ = 2181010104. Its totient is φ = 334487040.

The previous prime is 1005040529. The next prime is 1005040577. The reversal of 1005040566 is 6650405001.

It is a happy number.

1005040566 is a `hidden beast` number, since 10 + 0 + 50 + 40 + 566 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32016 + ... + 55091.

It is an arithmetic number, because the mean of its divisors is an integer number (90875421).

Almost surely, 2^1005040566 is an apocalyptic number.

1005040566 is an abundant number, since it is smaller than the sum of its proper divisors (1175969538).

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

1005040566 is a wasteful number, since it uses less digits than its factorization.

1005040566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87756 (or 87753 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1005040566 is about 31702.3747690926. The cubic root of 1005040566 is about 1001.6773735116.

Adding to 1005040566 its reverse (6650405001), we get a palindrome (7655445567).

The spelling of 1005040566 in words is "one billion, five million, forty thousand, five hundred sixty-six".