40066330 has 8 divisors (see below), whose sum is σ = 72119412. Its totient is φ = 16026528.

The previous prime is 40066321. The next prime is 40066339. The reversal of 40066330 is 3366004.

40066330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40066321) and next prime (40066339).

It can be written as a sum of positive squares in 2 ways, for example, as 34539129 + 5527201 = 5877^2 + 2351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40066339) 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, 2003307 + ... + 2003326.

Almost surely, 2^40066330 is an apocalyptic number.

40066330 is a deficient number, since it is larger than the sum of its proper divisors (32053082).

40066330 is a wasteful number, since it uses less digits than its factorization.

40066330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006640.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 40066330 is about 6329.7969951650. The cubic root of 40066330 is about 342.1841227817.

The spelling of 40066330 in words is "forty million, sixty-six thousand, three hundred thirty".