40365629 has 2 divisors, whose sum is σ = 40365630. Its totient is φ = 40365628.

The previous prime is 40365613. The next prime is 40365641. The reversal of 40365629 is 92656304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31663129 + 8702500 = 5627^2 + 2950^2 .

It is a cyclic number.

It is not a de Polignac number, because 40365629 - 2⁴ = 40365613 is a prime.

It is a super-3 number, since 3×40365629³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40365649) 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, 20182814 + 20182815.

It is an arithmetic number, because the mean of its divisors is an integer number (20182815).

Almost surely, 2^40365629 is an apocalyptic number.

It is an amenable number.

40365629 is a deficient number, since it is larger than the sum of its proper divisors (1).

40365629 is an equidigital number, since it uses as much as digits as its factorization.

40365629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 40365629 is about 6353.3950766500. The cubic root of 40365629 is about 343.0340583894.

The spelling of 40365629 in words is "forty million, three hundred sixty-five thousand, six hundred twenty-nine".