40566133 has 2 divisors, whose sum is σ = 40566134. Its totient is φ = 40566132.

The previous prime is 40566109. The next prime is 40566191. The reversal of 40566133 is 33166504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39225169 + 1340964 = 6263^2 + 1158^2 .

It is a cyclic number.

It is not a de Polignac number, because 40566133 - 2⁵ = 40566101 is a prime.

It is a super-2 number, since 2×40566133² = 3291222293147378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40566193) 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 as a sum of consecutive naturals, namely, 20283066 + 20283067.

It is an arithmetic number, because the mean of its divisors is an integer number (20283067).

Almost surely, 2^40566133 is an apocalyptic number.

It is an amenable number.

40566133 is a deficient number, since it is larger than the sum of its proper divisors (1).

40566133 is an equidigital number, since it uses as much as digits as its factorization.

40566133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 40566133 is about 6369.1548104909. The cubic root of 40566133 is about 343.6010930590.

The spelling of 40566133 in words is "forty million, five hundred sixty-six thousand, one hundred thirty-three".