40666333 has 2 divisors, whose sum is σ = 40666334. Its totient is φ = 40666332.

The previous prime is 40666331. The next prime is 40666361. The reversal of 40666333 is 33366604.

40666333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40284409 + 381924 = 6347^2 + 618^2 .

It is a cyclic number.

It is not a de Polignac number, because 40666333 - 2¹ = 40666331 is a prime.

Together with 40666331, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 40666295 and 40666304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40666331) 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 as a sum of consecutive naturals, namely, 20333166 + 20333167.

It is an arithmetic number, because the mean of its divisors is an integer number (20333167).

Almost surely, 2^40666333 is an apocalyptic number.

It is an amenable number.

40666333 is a deficient number, since it is larger than the sum of its proper divisors (1).

40666333 is an equidigital number, since it uses as much as digits as its factorization.

40666333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 31.

The square root of 40666333 is about 6377.0159949619. The cubic root of 40666333 is about 343.8837633469.

The spelling of 40666333 in words is "forty million, six hundred sixty-six thousand, three hundred thirty-three".