1040666568 has 32 divisors (see below), whose sum is σ = 2604204960. Its totient is φ = 346550400.

The previous prime is 1040666513. The next prime is 1040666569. The reversal of 1040666568 is 8656660401.

It is not an unprimeable number, because it can be changed into a prime (1040666569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4596 + ... + 45852.

It is an arithmetic number, because the mean of its divisors is an integer number (81381405).

Almost surely, 2^1040666568 is an apocalyptic number.

It is an amenable number.

1040666568 is an abundant number, since it is smaller than the sum of its proper divisors (1563538392).

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

1040666568 is a wasteful number, since it uses less digits than its factorization.

1040666568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42317 (or 42313 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 1040666568 is about 32259.3640358889. The cubic root of 1040666568 is about 1013.3758126044.

The spelling of 1040666568 in words is "one billion, forty million, six hundred sixty-six thousand, five hundred sixty-eight".