40317666 has 16 divisors (see below), whose sum is σ = 84141504. Its totient is φ = 12854864.

The previous prime is 40317649. The next prime is 40317691. The reversal of 40317666 is 66671304.

40317666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 145941 + ... + 146216.

It is an arithmetic number, because the mean of its divisors is an integer number (5258844).

Almost surely, 2^40317666 is an apocalyptic number.

40317666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40317666 is an abundant number, since it is smaller than the sum of its proper divisors (43823838).

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

40317666 is a wasteful number, since it uses less digits than its factorization.

40317666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292185.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 40317666 is about 6349.6193586703. The cubic root of 40317666 is about 342.8981385999.

The spelling of 40317666 in words is "forty million, three hundred seventeen thousand, six hundred sixty-six".