40010866 has 16 divisors (see below), whose sum is σ = 69885504. Its totient is φ = 16823664.

The previous prime is 40010857. The next prime is 40010939. The reversal of 40010866 is 66801004.

It is a self number, because there is not a number n which added to its sum of digits gives 40010866.

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, 26220 + ... + 27703.

It is an arithmetic number, because the mean of its divisors is an integer number (4367844).

Almost surely, 2^40010866 is an apocalyptic number.

40010866 is a deficient number, since it is larger than the sum of its proper divisors (29874638).

40010866 is a wasteful number, since it uses less digits than its factorization.

40010866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53985.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 40010866 is about 6325.4142947320. The cubic root of 40010866 is about 342.0261541960.

The spelling of 40010866 in words is "forty million, ten thousand, eight hundred sixty-six".