40500666 has 24 divisors (see below), whose sum is σ = 92370720. Its totient is φ = 12789576.

The previous prime is 40500643. The next prime is 40500667. The reversal of 40500666 is 66600504.

It is not an unprimeable number, because it can be changed into a prime (40500667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58870 + ... + 59553.

It is an arithmetic number, because the mean of its divisors is an integer number (3848780).

Almost surely, 2^40500666 is an apocalyptic number.

40500666 is an abundant number, since it is smaller than the sum of its proper divisors (51870054).

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

40500666 is a wasteful number, since it uses less digits than its factorization.

40500666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118450 (or 118447 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 40500666 is about 6364.0133563656. The cubic root of 40500666 is about 343.4161551747.

The spelling of 40500666 in words is "forty million, five hundred thousand, six hundred sixty-six".