104440565 has 8 divisors (see below), whose sum is σ = 126570168. Its totient is φ = 82724800.

The previous prime is 104440547. The next prime is 104440577. The reversal of 104440565 is 565044401.

It can be written as a sum of positive squares in 4 ways, for example, as 50608996 + 53831569 = 7114^2 + 7337^2 .

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

It is not a de Polignac number, because 104440565 - 2¹⁰ = 104439541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102902 + ... + 103911.

It is an arithmetic number, because the mean of its divisors is an integer number (15821271).

Almost surely, 2^104440565 is an apocalyptic number.

It is an amenable number.

104440565 is a deficient number, since it is larger than the sum of its proper divisors (22129603).

104440565 is a wasteful number, since it uses less digits than its factorization.

104440565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206919.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 104440565 is about 10219.6166757858. The cubic root of 104440565 is about 470.9300506318.

Adding to 104440565 its reverse (565044401), we get a palindrome (669484966).

The spelling of 104440565 in words is "one hundred four million, four hundred forty thousand, five hundred sixty-five".