40344329 has 2 divisors, whose sum is σ = 40344330. Its totient is φ = 40344328.

The previous prime is 40344313. The next prime is 40344371. The reversal of 40344329 is 92344304.

40344329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26543104 + 13801225 = 5152^2 + 3715^2 .

It is a cyclic number.

It is not a de Polignac number, because 40344329 - 2⁴ = 40344313 is a prime.

It is not a weakly prime, because it can be changed into another prime (40344229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20172164 + 20172165.

It is an arithmetic number, because the mean of its divisors is an integer number (20172165).

Almost surely, 2^40344329 is an apocalyptic number.

It is an amenable number.

40344329 is a deficient number, since it is larger than the sum of its proper divisors (1).

40344329 is an equidigital number, since it uses as much as digits as its factorization.

40344329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 40344329 is about 6351.7185863355. The cubic root of 40344329 is about 342.9737107522.

The spelling of 40344329 in words is "forty million, three hundred forty-four thousand, three hundred twenty-nine".