440315009 has 8 divisors (see below), whose sum is σ = 448536192. Its totient is φ = 432169920.

The previous prime is 440315003. The next prime is 440315021. The reversal of 440315009 is 900513044.

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 440315009 - 2²⁰ = 439266433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (440315003) 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, 7277 + ... + 30554.

It is an arithmetic number, because the mean of its divisors is an integer number (56067024).

Almost surely, 2^440315009 is an apocalyptic number.

It is an amenable number.

440315009 is a deficient number, since it is larger than the sum of its proper divisors (8221183).

440315009 is a wasteful number, since it uses less digits than its factorization.

440315009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38047.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 440315009 is about 20983.6843523724. The cubic root of 440315009 is about 760.7719585885.

The spelling of 440315009 in words is "four hundred forty million, three hundred fifteen thousand, nine".