40937443 has 2 divisors, whose sum is σ = 40937444. Its totient is φ = 40937442.

The previous prime is 40937441. The next prime is 40937467. The reversal of 40937443 is 34473904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40937443 - 2¹ = 40937441 is a prime.

Together with 40937441, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 40937399 and 40937408.

It is not a weakly prime, because it can be changed into another prime (40937441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20468721 + 20468722.

It is an arithmetic number, because the mean of its divisors is an integer number (20468722).

Almost surely, 2^40937443 is an apocalyptic number.

40937443 is a deficient number, since it is larger than the sum of its proper divisors (1).

40937443 is an equidigital number, since it uses as much as digits as its factorization.

40937443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 40937443 is about 6398.2374916847. The cubic root of 40937443 is about 344.6462606824.

The spelling of 40937443 in words is "forty million, nine hundred thirty-seven thousand, four hundred forty-three".