4448689560 has 256 divisors, whose sum is σ = 17005593600. Its totient is φ = 1013354496.

The previous prime is 4448689559. The next prime is 4448689577. The reversal of 4448689560 is 659868444.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 4448689497 and 4448689506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2667847 + ... + 2669513.

It is an arithmetic number, because the mean of its divisors is an integer number (66428100).

Almost surely, 2^4448689560 is an apocalyptic number.

4448689560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4448689560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8502796800).

4448689560 is an abundant number, since it is smaller than the sum of its proper divisors (12556904040).

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

4448689560 is a wasteful number, since it uses less digits than its factorization.

4448689560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The square root of 4448689560 is about 66698.4974343500. The cubic root of 4448689560 is about 1644.6646840738.

The spelling of 4448689560 in words is "four billion, four hundred forty-eight million, six hundred eighty-nine thousand, five hundred sixty".