409044415585 has 8 divisors (see below), whose sum is σ = 528611244840. Its totient is φ = 302063568384.

The previous prime is 409044415579. The next prime is 409044415589. The reversal of 409044415585 is 585514440904.

It can be written as a sum of positive squares in 4 ways, for example, as 27870299136 + 381174116449 = 166944^2 + 617393^2 .

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 409044415585 - 2⁷ = 409044415457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (409044415589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3146495440 + ... + 3146495569.

It is an arithmetic number, because the mean of its divisors is an integer number (66076405605).

Almost surely, 2^409044415585 is an apocalyptic number.

It is an amenable number.

409044415585 is a deficient number, since it is larger than the sum of its proper divisors (119566829255).

409044415585 is a wasteful number, since it uses less digits than its factorization.

409044415585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6292991027.

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 409044415585 in words is "four hundred nine billion, forty-four million, four hundred fifteen thousand, five hundred eighty-five".