40740827 has 2 divisors, whose sum is σ = 40740828. Its totient is φ = 40740826.

The previous prime is 40740803. The next prime is 40740841. The reversal of 40740827 is 72804704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40740827 - 2¹⁴ = 40724443 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40740793 and 40740802.

It is not a weakly prime, because it can be changed into another prime (40740877) 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, 20370413 + 20370414.

It is an arithmetic number, because the mean of its divisors is an integer number (20370414).

Almost surely, 2^40740827 is an apocalyptic number.

40740827 is a deficient number, since it is larger than the sum of its proper divisors (1).

40740827 is an equidigital number, since it uses as much as digits as its factorization.

40740827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 40740827 is about 6382.8541421530. The cubic root of 40740827 is about 344.0936146651.

The spelling of 40740827 in words is "forty million, seven hundred forty thousand, eight hundred twenty-seven".