40800911 has 2 divisors, whose sum is σ = 40800912. Its totient is φ = 40800910.

The previous prime is 40800889. The next prime is 40800943. The reversal of 40800911 is 11900804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40800911 - 2¹⁰ = 40799887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40800611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20400455 + 20400456.

It is an arithmetic number, because the mean of its divisors is an integer number (20400456).

Almost surely, 2^40800911 is an apocalyptic number.

40800911 is a deficient number, since it is larger than the sum of its proper divisors (1).

40800911 is an equidigital number, since it uses as much as digits as its factorization.

40800911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 40800911 is about 6387.5590799616. The cubic root of 40800911 is about 344.2626863890.

The spelling of 40800911 in words is "forty million, eight hundred thousand, nine hundred eleven".