40828811 has 2 divisors, whose sum is σ = 40828812. Its totient is φ = 40828810.

The previous prime is 40828793. The next prime is 40828813. The reversal of 40828811 is 11882804.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40828811 is a prime.

It is a Sophie Germain prime.

Together with 40828813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40828813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20414405 + 20414406.

It is an arithmetic number, because the mean of its divisors is an integer number (20414406).

Almost surely, 2^40828811 is an apocalyptic number.

40828811 is a deficient number, since it is larger than the sum of its proper divisors (1).

40828811 is an equidigital number, since it uses as much as digits as its factorization.

40828811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 40828811 is about 6389.7426395748. The cubic root of 40828811 is about 344.3411383994.

The spelling of 40828811 in words is "forty million, eight hundred twenty-eight thousand, eight hundred eleven".