40322666 has 8 divisors (see below), whose sum is σ = 60544704. Its totient is φ = 20141100.

The previous prime is 40322641. The next prime is 40322669. The reversal of 40322666 is 66622304.

40322666 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 (40322669) 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, 7490 + ... + 11693.

It is an arithmetic number, because the mean of its divisors is an integer number (7568088).

Almost surely, 2^40322666 is an apocalyptic number.

40322666 is a deficient number, since it is larger than the sum of its proper divisors (20222038).

40322666 is a wasteful number, since it uses less digits than its factorization.

40322666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20236.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 40322666 is about 6350.0130708527. The cubic root of 40322666 is about 342.9123128647.

The spelling of 40322666 in words is "forty million, three hundred twenty-two thousand, six hundred sixty-six".