40904441 has 2 divisors, whose sum is σ = 40904442. Its totient is φ = 40904440.

The previous prime is 40904417. The next prime is 40904453. The reversal of 40904441 is 14440904.

40904441 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 can be written as a sum of positive squares in only one way, i.e., 33396841 + 7507600 = 5779^2 + 2740^2 .

It is a cyclic number.

It is not a de Polignac number, because 40904441 - 2¹⁰ = 40903417 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40904441.

It is not a weakly prime, because it can be changed into another prime (40904401) 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, 20452220 + 20452221.

It is an arithmetic number, because the mean of its divisors is an integer number (20452221).

Almost surely, 2^40904441 is an apocalyptic number.

It is an amenable number.

40904441 is a deficient number, since it is larger than the sum of its proper divisors (1).

40904441 is an equidigital number, since it uses as much as digits as its factorization.

40904441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 40904441 is about 6395.6579802238. The cubic root of 40904441 is about 344.5536228033.

The spelling of 40904441 in words is "forty million, nine hundred four thousand, four hundred forty-one".