40107637 has 2 divisors, whose sum is σ = 40107638. Its totient is φ = 40107636.

The previous prime is 40107629. The next prime is 40107649. The reversal of 40107637 is 73670104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30902481 + 9205156 = 5559^2 + 3034^2 .

It is a cyclic number.

It is not a de Polignac number, because 40107637 - 2³ = 40107629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40107037) 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, 20053818 + 20053819.

It is an arithmetic number, because the mean of its divisors is an integer number (20053819).

Almost surely, 2^40107637 is an apocalyptic number.

It is an amenable number.

40107637 is a deficient number, since it is larger than the sum of its proper divisors (1).

40107637 is an equidigital number, since it uses as much as digits as its factorization.

40107637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 40107637 is about 6333.0590554644. The cubic root of 40107637 is about 342.3016757238.

The spelling of 40107637 in words is "forty million, one hundred seven thousand, six hundred thirty-seven".