40441811 has 2 divisors, whose sum is σ = 40441812. Its totient is φ = 40441810.

The previous prime is 40441789. The next prime is 40441829. The reversal of 40441811 is 11814404.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40441811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40441831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20220905 + 20220906.

It is an arithmetic number, because the mean of its divisors is an integer number (20220906).

Almost surely, 2^40441811 is an apocalyptic number.

40441811 is a deficient number, since it is larger than the sum of its proper divisors (1).

40441811 is an equidigital number, since it uses as much as digits as its factorization.

40441811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 40441811 is about 6359.3876277516. The cubic root of 40441811 is about 343.2497253501.

The spelling of 40441811 in words is "forty million, four hundred forty-one thousand, eight hundred eleven".