4399493648 has 40 divisors (see below), whose sum is σ = 9845932320. Its totient is φ = 1882135040.

The previous prime is 4399493617. The next prime is 4399493669. The reversal of 4399493648 is 8463949934.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732218 + ... + 738201.

It is an arithmetic number, because the mean of its divisors is an integer number (246148308).

Almost surely, 2^4399493648 is an apocalyptic number.

It is an amenable number.

4399493648 is an abundant number, since it is smaller than the sum of its proper divisors (5446438672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4399493648 is a wasteful number, since it uses less digits than its factorization.

4399493648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470455 (or 1470449 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 59.

The square root of 4399493648 is about 66328.6789254844. The cubic root of 4399493648 is about 1638.5796804620.

The spelling of 4399493648 in words is "four billion, three hundred ninety-nine million, four hundred ninety-three thousand, six hundred forty-eight".