40564163 has 2 divisors, whose sum is σ = 40564164. Its totient is φ = 40564162.

The previous prime is 40564103. The next prime is 40564169. The reversal of 40564163 is 36146504.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40564163 - 2¹⁴ = 40547779 is a prime.

It is not a weakly prime, because it can be changed into another prime (40564169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20282081 + 20282082.

It is an arithmetic number, because the mean of its divisors is an integer number (20282082).

Almost surely, 2^40564163 is an apocalyptic number.

40564163 is a deficient number, since it is larger than the sum of its proper divisors (1).

40564163 is an equidigital number, since it uses as much as digits as its factorization.

40564163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 40564163 is about 6369.0001570105. Note that the first 3 decimals coincide. The cubic root of 40564163 is about 343.5955309060.

The spelling of 40564163 in words is "forty million, five hundred sixty-four thousand, one hundred sixty-three".