40320344041 has 2 divisors, whose sum is σ = 40320344042. Its totient is φ = 40320344040.

The previous prime is 40320344033. The next prime is 40320344131. The reversal of 40320344041 is 14044302304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31959070441 + 8361273600 = 178771^2 + 91440^2 .

It is a cyclic number.

It is not a de Polignac number, because 40320344041 - 2³ = 40320344033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40320343997 and 40320344015.

It is not a weakly prime, because it can be changed into another prime (40320344021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20160172020 + 20160172021.

It is an arithmetic number, because the mean of its divisors is an integer number (20160172021).

Almost surely, 2^40320344041 is an apocalyptic number.

It is an amenable number.

40320344041 is a deficient number, since it is larger than the sum of its proper divisors (1).

40320344041 is an equidigital number, since it uses as much as digits as its factorization.

40320344041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40320344041 its reverse (14044302304), we get a palindrome (54364646345).

The spelling of 40320344041 in words is "forty billion, three hundred twenty million, three hundred forty-four thousand, forty-one".