40332443 has 2 divisors, whose sum is σ = 40332444. Its totient is φ = 40332442.

The previous prime is 40332433. The next prime is 40332451. The reversal of 40332443 is 34423304.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40332443 - 2¹² = 40328347 is a prime.

It is not a weakly prime, because it can be changed into another prime (40332433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20166221 + 20166222.

It is an arithmetic number, because the mean of its divisors is an integer number (20166222).

Almost surely, 2^40332443 is an apocalyptic number.

40332443 is a deficient number, since it is larger than the sum of its proper divisors (1).

40332443 is an equidigital number, since it uses as much as digits as its factorization.

40332443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 40332443 is about 6350.7828651277. The cubic root of 40332443 is about 342.9400258368.

Adding to 40332443 its reverse (34423304), we get a palindrome (74755747).

The spelling of 40332443 in words is "forty million, three hundred thirty-two thousand, four hundred forty-three".