4439689056 has 240 divisors, whose sum is σ = 14706413568. Its totient is φ = 1301702400.

The previous prime is 4439689049. The next prime is 4439689081. The reversal of 4439689056 is 6509869344.

4439689056 is a `hidden beast` number, since 443 + 9 + 68 + 90 + 56 = 666.

It is a super-2 number, since 2×4439689056² = 39421677827932342272, which contains 22 as substring.

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 = 4439688993 and 4439689011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 881361 + ... + 886383.

Almost surely, 2^4439689056 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 4439689056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7353206784).

4439689056 is an abundant number, since it is smaller than the sum of its proper divisors (10266724512).

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

4439689056 is a wasteful number, since it uses less digits than its factorization.

4439689056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087 (or 5070 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The square root of 4439689056 is about 66630.9917080633. The cubic root of 4439689056 is about 1643.5547838042.

The spelling of 4439689056 in words is "four billion, four hundred thirty-nine million, six hundred eighty-nine thousand, fifty-six".