4400448440409 has 32 divisors (see below), whose sum is σ = 7451165952000. Its totient is φ = 2514315423312.

The previous prime is 4400448440407. The next prime is 4400448440441. The reversal of 4400448440409 is 9040448440044.

It is not a de Polignac number, because 4400448440409 - 2¹ = 4400448440407 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4400448440407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1065822 + ... + 3152280.

It is an arithmetic number, because the mean of its divisors is an integer number (232848936000).

Almost surely, 2^{4400448440409} is an apocalyptic number.

It is an amenable number.

4400448440409 is a deficient number, since it is larger than the sum of its proper divisors (3050717511591).

4400448440409 is a wasteful number, since it uses less digits than its factorization.

4400448440409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097634 (or 2097628 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 45.

The spelling of 4400448440409 in words is "four trillion, four hundred billion, four hundred forty-eight million, four hundred forty thousand, four hundred nine".