40636199 has 2 divisors, whose sum is σ = 40636200. Its totient is φ = 40636198.

The previous prime is 40636157. The next prime is 40636229. The reversal of 40636199 is 99163604.

40636199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40636199 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 (40639199) 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, 20318099 + 20318100.

It is an arithmetic number, because the mean of its divisors is an integer number (20318100).

Almost surely, 2^40636199 is an apocalyptic number.

40636199 is a deficient number, since it is larger than the sum of its proper divisors (1).

40636199 is an equidigital number, since it uses as much as digits as its factorization.

40636199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 40636199 is about 6374.6528532933. The cubic root of 40636199 is about 343.7988023714.

The spelling of 40636199 in words is "forty million, six hundred thirty-six thousand, one hundred ninety-nine".