40403927 has 2 divisors, whose sum is σ = 40403928. Its totient is φ = 40403926.

The previous prime is 40403897. The next prime is 40403929. The reversal of 40403927 is 72930404.

40403927 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40403927 - 2¹⁰ = 40402903 is a prime.

Together with 40403929, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40403927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40403929) 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, 20201963 + 20201964.

It is an arithmetic number, because the mean of its divisors is an integer number (20201964).

Almost surely, 2^40403927 is an apocalyptic number.

40403927 is a deficient number, since it is larger than the sum of its proper divisors (1).

40403927 is an equidigital number, since it uses as much as digits as its factorization.

40403927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 40403927 is about 6356.4083411939. The cubic root of 40403927 is about 343.1425117610.

The spelling of 40403927 in words is "forty million, four hundred three thousand, nine hundred twenty-seven".