4459889544 has 64 divisors (see below), whose sum is σ = 12198047040. Its totient is φ = 1347624960.

The previous prime is 4459889509. The next prime is 4459889569.

It is a happy number.

4459889544 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4459889544² = 39781229489361055872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69264 + ... + 117120.

It is an arithmetic number, because the mean of its divisors is an integer number (190594485).

Almost surely, 2^4459889544 is an apocalyptic number.

4459889544 is a gapful number since it is divisible by the number (44) 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 4459889544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6099023520).

4459889544 is an abundant number, since it is smaller than the sum of its proper divisors (7738157496).

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

4459889544 is a wasteful number, since it uses less digits than its factorization.

4459889544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48230 (or 48226 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 60.

The square root of 4459889544 is about 66782.4044490763. The cubic root of 4459889544 is about 1646.0437254961.

The spelling of 4459889544 in words is "four billion, four hundred fifty-nine million, eight hundred eighty-nine thousand, five hundred forty-four".