40400027 has 2 divisors, whose sum is σ = 40400028. Its totient is φ = 40400026.

The previous prime is 40400021. The next prime is 40400033. The reversal of 40400027 is 72000404.

40400027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (40400021) and next prime (40400033).

It is a cyclic number.

It is not a de Polignac number, because 40400027 - 2⁴ = 40400011 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40399978 and 40400014.

It is not a weakly prime, because it can be changed into another prime (40400021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20200013 + 20200014.

It is an arithmetic number, because the mean of its divisors is an integer number (20200014).

Almost surely, 2^40400027 is an apocalyptic number.

40400027 is a deficient number, since it is larger than the sum of its proper divisors (1).

40400027 is an equidigital number, since it uses as much as digits as its factorization.

40400027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 40400027 is about 6356.1015567720. The cubic root of 40400027 is about 343.1314707645.

The spelling of 40400027 in words is "forty million, four hundred thousand, twenty-seven".