40580959 has 4 divisors (see below), whose sum is σ = 40598640. Its totient is φ = 40563280.

The previous prime is 40580933. The next prime is 40580963. The reversal of 40580959 is 95908504.

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

It is a cyclic number.

It is not a de Polignac number, because 40580959 - 2¹⁹ = 40056671 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40580909) 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 in 3 ways as a sum of consecutive naturals, for example, 4774 + ... + 10195.

It is an arithmetic number, because the mean of its divisors is an integer number (10149660).

Almost surely, 2^40580959 is an apocalyptic number.

40580959 is a deficient number, since it is larger than the sum of its proper divisors (17681).

40580959 is a wasteful number, since it uses less digits than its factorization.

40580959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17680.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 40580959 is about 6370.3185948585. The cubic root of 40580959 is about 343.6429474249.

The spelling of 40580959 in words is "forty million, five hundred eighty thousand, nine hundred fifty-nine".