4442899648 has 56 divisors (see below), whose sum is σ = 9703155600. Its totient is φ = 2001592320.

The previous prime is 4442899603. The next prime is 4442899649. The reversal of 4442899648 is 8469982444.

It is a junction number, because it is equal to n+sod(n) for n = 4442899592 and 4442899601.

It is not an unprimeable number, because it can be changed into a prime (4442899649) 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, 51628 + ... + 107476.

Almost surely, 2^4442899648 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 4442899648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4851577800).

4442899648 is an abundant number, since it is smaller than the sum of its proper divisors (5260255952).

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

4442899648 is a wasteful number, since it uses less digits than its factorization.

4442899648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55985 (or 55975 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 58.

The square root of 4442899648 is about 66655.0796863975. The cubic root of 4442899648 is about 1643.9508710304.

It can be divided in two parts, 444 and 2899648, that added together give a palindrome (2900092).

The spelling of 4442899648 in words is "four billion, four hundred forty-two million, eight hundred ninety-nine thousand, six hundred forty-eight".