43040359 has 2 divisors, whose sum is σ = 43040360. Its totient is φ = 43040358.

The previous prime is 43040353. The next prime is 43040401. The reversal of 43040359 is 95304034.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43040359 - 2⁹ = 43039847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43040353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21520179 + 21520180.

It is an arithmetic number, because the mean of its divisors is an integer number (21520180).

Almost surely, 2^43040359 is an apocalyptic number.

43040359 is a deficient number, since it is larger than the sum of its proper divisors (1).

43040359 is an equidigital number, since it uses as much as digits as its factorization.

43040359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 43040359 is about 6560.5151474560. The cubic root of 43040359 is about 350.4493792394.

The spelling of 43040359 in words is "forty-three million, forty thousand, three hundred fifty-nine".