500444405 has 8 divisors (see below), whose sum is σ = 600717912. Its totient is φ = 400232448.

The previous prime is 500444369. The next prime is 500444407. The reversal of 500444405 is 504444005.

It can be written as a sum of positive squares in 4 ways, for example, as 3243601 + 497200804 = 1801^2 + 22298^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 500444405 - 2¹² = 500440309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500444407) 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 7 ways as a sum of consecutive naturals, for example, 4949 + ... + 32021.

It is an arithmetic number, because the mean of its divisors is an integer number (75089739).

Almost surely, 2^500444405 is an apocalyptic number.

It is an amenable number.

500444405 is a deficient number, since it is larger than the sum of its proper divisors (100273507).

500444405 is a wasteful number, since it uses less digits than its factorization.

500444405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30775.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 500444405 is about 22370.6147658038. The cubic root of 500444405 is about 793.9356060055.

The spelling of 500444405 in words is "five hundred million, four hundred forty-four thousand, four hundred five".