1045027866 has 16 divisors (see below), whose sum is σ = 2090433600. Its totient is φ = 348279648.

The previous prime is 1045027861. The next prime is 1045027933. The reversal of 1045027866 is 6687205401.

It is not an unprimeable number, because it can be changed into a prime (1045027861) 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, 30790 + ... + 55118.

It is an arithmetic number, because the mean of its divisors is an integer number (130652100).

Almost surely, 2^1045027866 is an apocalyptic number.

1045027866 is an abundant number, since it is smaller than the sum of its proper divisors (1045405734).

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

1045027866 is a wasteful number, since it uses less digits than its factorization.

1045027866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31493.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1045027866 is about 32326.8907567678. The cubic root of 1045027866 is about 1014.7894816055.

The spelling of 1045027866 in words is "one billion, forty-five million, twenty-seven thousand, eight hundred sixty-six".