40804927 has 2 divisors, whose sum is σ = 40804928. Its totient is φ = 40804926.

The previous prime is 40804903. The next prime is 40804937. The reversal of 40804927 is 72940804.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40804927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40804892 and 40804901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40804937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20402463 + 20402464.

It is an arithmetic number, because the mean of its divisors is an integer number (20402464).

Almost surely, 2^40804927 is an apocalyptic number.

40804927 is a deficient number, since it is larger than the sum of its proper divisors (1).

40804927 is an equidigital number, since it uses as much as digits as its factorization.

40804927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 40804927 is about 6387.8734333110. The cubic root of 40804927 is about 344.2739811825.

The spelling of 40804927 in words is "forty million, eight hundred four thousand, nine hundred twenty-seven".