40320011 has 2 divisors, whose sum is σ = 40320012. Its totient is φ = 40320010.

The previous prime is 40320001. The next prime is 40320019. The reversal of 40320011 is 11002304.

It is a happy number.

40320011 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 not a de Polignac number, because 40320011 - 2¹⁸ = 40057867 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40319974 and 40320001.

It is not a weakly prime, because it can be changed into another prime (40320019) 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, 20160005 + 20160006.

It is an arithmetic number, because the mean of its divisors is an integer number (20160006).

Almost surely, 2^40320011 is an apocalyptic number.

40320011 is a deficient number, since it is larger than the sum of its proper divisors (1).

40320011 is an equidigital number, since it uses as much as digits as its factorization.

40320011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 40320011 is about 6349.8040127235. The cubic root of 40320011 is about 342.9047864760.

Adding to 40320011 its reverse (11002304), we get a palindrome (51322315).

The spelling of 40320011 in words is "forty million, three hundred twenty thousand, eleven".