40457017 has 2 divisors, whose sum is σ = 40457018. Its totient is φ = 40457016.

The previous prime is 40457009. The next prime is 40457029. The reversal of 40457017 is 71075404.

40457017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40246336 + 210681 = 6344^2 + 459^2 .

It is a cyclic number.

It is not a de Polignac number, because 40457017 - 2³ = 40457009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40457917) 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, 20228508 + 20228509.

It is an arithmetic number, because the mean of its divisors is an integer number (20228509).

Almost surely, 2^40457017 is an apocalyptic number.

It is an amenable number.

40457017 is a deficient number, since it is larger than the sum of its proper divisors (1).

40457017 is an equidigital number, since it uses as much as digits as its factorization.

40457017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 40457017 is about 6360.5830707570. The cubic root of 40457017 is about 343.2927402495.

The spelling of 40457017 in words is "forty million, four hundred fifty-seven thousand, seventeen".