40630163 has 6 divisors (see below), whose sum is σ = 47263716. Its totient is φ = 34825812.

The previous prime is 40630159. The next prime is 40630169. The reversal of 40630163 is 36103604.

It is not a de Polignac number, because 40630163 - 2² = 40630159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40630169) 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 in 5 ways as a sum of consecutive naturals, for example, 414545 + ... + 414642.

It is an arithmetic number, because the mean of its divisors is an integer number (7877286).

Almost surely, 2^40630163 is an apocalyptic number.

40630163 is a deficient number, since it is larger than the sum of its proper divisors (6633553).

40630163 is an equidigital number, since it uses as much as digits as its factorization.

40630163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829201 (or 829194 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 40630163 is about 6374.1793981657. The cubic root of 40630163 is about 343.7817791887.

Adding to 40630163 its reverse (36103604), we get a palindrome (76733767).

The spelling of 40630163 in words is "forty million, six hundred thirty thousand, one hundred sixty-three".