40636927 has 2 divisors, whose sum is σ = 40636928. Its totient is φ = 40636926.

The previous prime is 40636903. The next prime is 40636933. The reversal of 40636927 is 72963604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40636927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40636997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20318463 + 20318464.

It is an arithmetic number, because the mean of its divisors is an integer number (20318464).

Almost surely, 2^40636927 is an apocalyptic number.

40636927 is a deficient number, since it is larger than the sum of its proper divisors (1).

40636927 is an equidigital number, since it uses as much as digits as its factorization.

40636927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 40636927 is about 6374.7099541862. The cubic root of 40636927 is about 343.8008554181.

The spelling of 40636927 in words is "forty million, six hundred thirty-six thousand, nine hundred twenty-seven".