40660237 has 2 divisors, whose sum is σ = 40660238. Its totient is φ = 40660236.

The previous prime is 40660229. The next prime is 40660303. The reversal of 40660237 is 73206604.

40660237 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., 26977636 + 13682601 = 5194^2 + 3699^2 .

It is a cyclic number.

It is not a de Polignac number, because 40660237 - 2³ = 40660229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40660537) 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, 20330118 + 20330119.

It is an arithmetic number, because the mean of its divisors is an integer number (20330119).

Almost surely, 2^40660237 is an apocalyptic number.

It is an amenable number.

40660237 is a deficient number, since it is larger than the sum of its proper divisors (1).

40660237 is an equidigital number, since it uses as much as digits as its factorization.

40660237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 40660237 is about 6376.5380105509. The cubic root of 40660237 is about 343.8665794340.

The spelling of 40660237 in words is "forty million, six hundred sixty thousand, two hundred thirty-seven".