40630963 has 2 divisors, whose sum is σ = 40630964. Its totient is φ = 40630962.

The previous prime is 40630927. The next prime is 40630979. The reversal of 40630963 is 36903604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40630963 - 2⁹ = 40630451 is a prime.

It is not a weakly prime, because it can be changed into another prime (40630463) 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, 20315481 + 20315482.

It is an arithmetic number, because the mean of its divisors is an integer number (20315482).

Almost surely, 2^40630963 is an apocalyptic number.

40630963 is a deficient number, since it is larger than the sum of its proper divisors (1).

40630963 is an equidigital number, since it uses as much as digits as its factorization.

40630963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 40630963 is about 6374.2421510325. The cubic root of 40630963 is about 343.7840355060.

The spelling of 40630963 in words is "forty million, six hundred thirty thousand, nine hundred sixty-three".