4399451448 has 64 divisors (see below), whose sum is σ = 12603740160. Its totient is φ = 1253598336.

The previous prime is 4399451447. The next prime is 4399451449. The reversal of 4399451448 is 8441549934.

It is an interprime number because it is at equal distance from previous prime (4399451447) and next prime (4399451449).

It is a self number, because there is not a number n which added to its sum of digits gives 4399451448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4399451443) 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, 27561 + ... + 97767.

It is an arithmetic number, because the mean of its divisors is an integer number (196933440).

Almost surely, 2^4399451448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4399451448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6301870080).

4399451448 is an abundant number, since it is smaller than the sum of its proper divisors (8204288712).

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

4399451448 is a wasteful number, since it uses less digits than its factorization.

4399451448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70596 (or 70592 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The square root of 4399451448 is about 66328.3608119483. The cubic root of 4399451448 is about 1638.5744413528.

The spelling of 4399451448 in words is "four billion, three hundred ninety-nine million, four hundred fifty-one thousand, four hundred forty-eight".