40368329 has 2 divisors, whose sum is σ = 40368330. Its totient is φ = 40368328.

The previous prime is 40368299. The next prime is 40368337. The reversal of 40368329 is 92386304.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25775929 + 14592400 = 5077^2 + 3820^2 .

It is a cyclic number.

It is not a de Polignac number, because 40368329 - 2¹⁶ = 40302793 is a prime.

It is not a weakly prime, because it can be changed into another prime (40368359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20184164 + 20184165.

It is an arithmetic number, because the mean of its divisors is an integer number (20184165).

Almost surely, 2^40368329 is an apocalyptic number.

It is an amenable number.

40368329 is a deficient number, since it is larger than the sum of its proper divisors (1).

40368329 is an equidigital number, since it uses as much as digits as its factorization.

40368329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 40368329 is about 6353.6075579154. The cubic root of 40368329 is about 343.0417065736.

The spelling of 40368329 in words is "forty million, three hundred sixty-eight thousand, three hundred twenty-nine".