40064866 has 8 divisors (see below), whose sum is σ = 60659280. Its totient is φ = 19845108.

The previous prime is 40064839. The next prime is 40064867. The reversal of 40064866 is 66846004.

40064866 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 not an unprimeable number, because it can be changed into a prime (40064867) by changing a digit.

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, 93396 + ... + 93823.

It is an arithmetic number, because the mean of its divisors is an integer number (7582410).

Almost surely, 2^40064866 is an apocalyptic number.

40064866 is a deficient number, since it is larger than the sum of its proper divisors (20594414).

40064866 is a wasteful number, since it uses less digits than its factorization.

40064866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187328.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 40064866 is about 6329.6813505895. The cubic root of 40064866 is about 342.1799549958.

The spelling of 40064866 in words is "forty million, sixty-four thousand, eight hundred sixty-six".