40066211 has 4 divisors (see below), whose sum is σ = 40094712. Its totient is φ = 40037712.

The previous prime is 40066177. The next prime is 40066217. The reversal of 40066211 is 11266004.

It is a happy number.

40066211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40066211 - 2¹⁸ = 39804067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40066217) 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, 12026 + ... + 14991.

It is an arithmetic number, because the mean of its divisors is an integer number (10023678).

Almost surely, 2^40066211 is an apocalyptic number.

40066211 is a deficient number, since it is larger than the sum of its proper divisors (28501).

40066211 is a wasteful number, since it uses less digits than its factorization.

40066211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28500.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 40066211 is about 6329.7875951725. The cubic root of 40066211 is about 342.1837840106.

The spelling of 40066211 in words is "forty million, sixty-six thousand, two hundred eleven".