40346065 has 4 divisors (see below), whose sum is σ = 48415284. Its totient is φ = 32276848.

The previous prime is 40346057. The next prime is 40346077. The reversal of 40346065 is 56064304.

40346065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28901376 + 11444689 = 5376^2 + 3383^2 .

It is a cyclic number.

It is not a de Polignac number, because 40346065 - 2³ = 40346057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4034602 + ... + 4034611.

It is an arithmetic number, because the mean of its divisors is an integer number (12103821).

Almost surely, 2^40346065 is an apocalyptic number.

It is an amenable number.

40346065 is a deficient number, since it is larger than the sum of its proper divisors (8069219).

40346065 is an equidigital number, since it uses as much as digits as its factorization.

40346065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8069218.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 40346065 is about 6351.8552407938. The cubic root of 40346065 is about 342.9786300212.

The spelling of 40346065 in words is "forty million, three hundred forty-six thousand, sixty-five".