40316629 has 2 divisors, whose sum is σ = 40316630. Its totient is φ = 40316628.

The previous prime is 40316611. The next prime is 40316657. The reversal of 40316629 is 92661304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36276529 + 4040100 = 6023^2 + 2010^2 .

It is a cyclic number.

It is not a de Polignac number, because 40316629 - 2⁹ = 40316117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40316629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40316609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20158314 + 20158315.

It is an arithmetic number, because the mean of its divisors is an integer number (20158315).

Almost surely, 2^40316629 is an apocalyptic number.

It is an amenable number.

40316629 is a deficient number, since it is larger than the sum of its proper divisors (1).

40316629 is an equidigital number, since it uses as much as digits as its factorization.

40316629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 40316629 is about 6349.5376997070. The cubic root of 40316629 is about 342.8951987106.

The spelling of 40316629 in words is "forty million, three hundred sixteen thousand, six hundred twenty-nine".