40014943 has 2 divisors, whose sum is σ = 40014944. Its totient is φ = 40014942.

The previous prime is 40014929. The next prime is 40014959. The reversal of 40014943 is 34941004.

It is a happy number.

40014943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40014943 - 2¹³ = 40006751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40014973) 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, 20007471 + 20007472.

It is an arithmetic number, because the mean of its divisors is an integer number (20007472).

Almost surely, 2^40014943 is an apocalyptic number.

40014943 is a deficient number, since it is larger than the sum of its proper divisors (1).

40014943 is an equidigital number, since it uses as much as digits as its factorization.

40014943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 40014943 is about 6325.7365579038. The cubic root of 40014943 is about 342.0377709843.

Adding to 40014943 its reverse (34941004), we get a palindrome (74955947).

The spelling of 40014943 in words is "forty million, fourteen thousand, nine hundred forty-three".