40040411 has 2 divisors, whose sum is σ = 40040412. Its totient is φ = 40040410.

The previous prime is 40040393. The next prime is 40040471. The reversal of 40040411 is 11404004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40040411 - 2¹⁰ = 40039387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40040471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020205 + 20020206.

It is an arithmetic number, because the mean of its divisors is an integer number (20020206).

Almost surely, 2^40040411 is an apocalyptic number.

40040411 is a deficient number, since it is larger than the sum of its proper divisors (1).

40040411 is an equidigital number, since it uses as much as digits as its factorization.

40040411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40040411 is about 6327.7492839081. The cubic root of 40040411 is about 342.1103203027.

Adding to 40040411 its reverse (11404004), we get a palindrome (51444415).

The spelling of 40040411 in words is "forty million, forty thousand, four hundred eleven".