40605866 has 8 divisors (see below), whose sum is σ = 69610080. Its totient is φ = 17402508.

The previous prime is 40605853. The next prime is 40605881. The reversal of 40605866 is 66850604.

40605866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1450196 + ... + 1450223.

It is an arithmetic number, because the mean of its divisors is an integer number (8701260).

Almost surely, 2^40605866 is an apocalyptic number.

40605866 is a deficient number, since it is larger than the sum of its proper divisors (29004214).

40605866 is a wasteful number, since it uses less digits than its factorization.

40605866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900428.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 40605866 is about 6372.2732207588. The cubic root of 40605866 is about 343.7132378978.

The spelling of 40605866 in words is "forty million, six hundred five thousand, eight hundred sixty-six".