40950043 has 2 divisors, whose sum is σ = 40950044. Its totient is φ = 40950042.

The previous prime is 40950037. The next prime is 40950047. The reversal of 40950043 is 34005904.

40950043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40950043 is a prime.

It is not a weakly prime, because it can be changed into another prime (40950047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20475021 + 20475022.

It is an arithmetic number, because the mean of its divisors is an integer number (20475022).

Almost surely, 2^40950043 is an apocalyptic number.

40950043 is a deficient number, since it is larger than the sum of its proper divisors (1).

40950043 is an equidigital number, since it uses as much as digits as its factorization.

40950043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 40950043 is about 6399.2220620947. Note that the first 3 decimals coincide. The cubic root of 40950043 is about 344.6816162323.

Adding to 40950043 its reverse (34005904), we get a palindrome (74955947).

The spelling of 40950043 in words is "forty million, nine hundred fifty thousand, forty-three".