40337329 has 2 divisors, whose sum is σ = 40337330. Its totient is φ = 40337328.

The previous prime is 40337309. The next prime is 40337351. The reversal of 40337329 is 92373304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24750625 + 15586704 = 4975^2 + 3948^2 .

It is a cyclic number.

It is not a de Polignac number, because 40337329 - 2⁹ = 40336817 is a prime.

It is a super-2 number, since 2×40337329² = 3254200221708482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40337329.

It is not a weakly prime, because it can be changed into another prime (40337309) 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, 20168664 + 20168665.

It is an arithmetic number, because the mean of its divisors is an integer number (20168665).

Almost surely, 2^40337329 is an apocalyptic number.

It is an amenable number.

40337329 is a deficient number, since it is larger than the sum of its proper divisors (1).

40337329 is an equidigital number, since it uses as much as digits as its factorization.

40337329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 40337329 is about 6351.1675304624. The cubic root of 40337329 is about 342.9538735582.

The spelling of 40337329 in words is "forty million, three hundred thirty-seven thousand, three hundred twenty-nine".