40059443 has 2 divisors, whose sum is σ = 40059444. Its totient is φ = 40059442.

The previous prime is 40059433. The next prime is 40059473. The reversal of 40059443 is 34495004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40059443 is a prime.

It is not a weakly prime, because it can be changed into another prime (40059433) 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, 20029721 + 20029722.

It is an arithmetic number, because the mean of its divisors is an integer number (20029722).

Almost surely, 2^40059443 is an apocalyptic number.

40059443 is a deficient number, since it is larger than the sum of its proper divisors (1).

40059443 is an equidigital number, since it uses as much as digits as its factorization.

40059443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 40059443 is about 6329.2529574982. The cubic root of 40059443 is about 342.1645156528.

The spelling of 40059443 in words is "forty million, fifty-nine thousand, four hundred forty-three".