440002163 has 2 divisors, whose sum is σ = 440002164. Its totient is φ = 440002162.

The previous prime is 440002159. The next prime is 440002169. The reversal of 440002163 is 361200044.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440002163 - 2² = 440002159 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (440002169) 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, 220001081 + 220001082.

It is an arithmetic number, because the mean of its divisors is an integer number (220001082).

Almost surely, 2^440002163 is an apocalyptic number.

440002163 is a deficient number, since it is larger than the sum of its proper divisors (1).

440002163 is an equidigital number, since it uses as much as digits as its factorization.

440002163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 440002163 is about 20976.2285218292. The cubic root of 440002163 is about 760.5917384815.

The spelling of 440002163 in words is "four hundred forty million, two thousand, one hundred sixty-three".