40214066 has 12 divisors (see below), whose sum is σ = 60977898. Its totient is φ = 19890432.

The previous prime is 40214063. The next prime is 40214077. The reversal of 40214066 is 66041204.

It is a happy number.

40214066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 22363441 + 17850625 = 4729^2 + 4225^2 .

It is a super-2 number, since 2×40214066² = 3234342208504712, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40214063) 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 5 ways as a sum of consecutive naturals, for example, 17750 + ... + 19886.

Almost surely, 2^40214066 is an apocalyptic number.

40214066 is a deficient number, since it is larger than the sum of its proper divisors (20763832).

40214066 is an equidigital number, since it uses as much as digits as its factorization.

40214066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333 (or 2236 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40214066 is about 6341.4561419283. The cubic root of 40214066 is about 342.6041837672.

The spelling of 40214066 in words is "forty million, two hundred fourteen thousand, sixty-six".