4448040809 has 16 divisors (see below), whose sum is σ = 4739390400. Its totient is φ = 4162669056.

The previous prime is 4448040781. The next prime is 4448040869. The reversal of 4448040809 is 9080408444.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4448040809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4448040869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668702 + ... + 675320.

It is an arithmetic number, because the mean of its divisors is an integer number (296211900).

Almost surely, 2^4448040809 is an apocalyptic number.

It is an amenable number.

4448040809 is a deficient number, since it is larger than the sum of its proper divisors (291349591).

4448040809 is a wasteful number, since it uses less digits than its factorization.

4448040809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7064.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 4448040809 is about 66693.6339465769. The cubic root of 4448040809 is about 1644.5847332093.

The spelling of 4448040809 in words is "four billion, four hundred forty-eight million, forty thousand, eight hundred nine".