40340033 has 2 divisors, whose sum is σ = 40340034. Its totient is φ = 40340032.

The previous prime is 40340017. The next prime is 40340057. The reversal of 40340033 is 33004304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36626704 + 3713329 = 6052^2 + 1927^2 .

It is a cyclic number.

It is not a de Polignac number, because 40340033 - 2⁴ = 40340017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40339993 and 40340020.

It is not a weakly prime, because it can be changed into another prime (40343033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20170016 + 20170017.

It is an arithmetic number, because the mean of its divisors is an integer number (20170017).

Almost surely, 2^40340033 is an apocalyptic number.

It is an amenable number.

40340033 is a deficient number, since it is larger than the sum of its proper divisors (1).

40340033 is an equidigital number, since it uses as much as digits as its factorization.

40340033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 40340033 is about 6351.3804011412. The cubic root of 40340033 is about 342.9615366549.

Adding to 40340033 its reverse (33004304), we get a palindrome (73344337).

The spelling of 40340033 in words is "forty million, three hundred forty thousand, thirty-three".