4441643312 has 60 divisors (see below), whose sum is σ = 9161901696. Its totient is φ = 2085565440.

The previous prime is 4441643299. The next prime is 4441643383. The reversal of 4441643312 is 2133461444.

It is a super-2 number, since 2×4441643312² = 39456390622068658688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3018737 + ... + 3020207.

Almost surely, 2^4441643312 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 4441643312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4580950848).

4441643312 is an abundant number, since it is smaller than the sum of its proper divisors (4720258384).

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

4441643312 is a wasteful number, since it uses less digits than its factorization.

4441643312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166 (or 2143 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 4441643312 is about 66645.6548621139. The cubic root of 4441643312 is about 1643.7959009635.

The spelling of 4441643312 in words is "four billion, four hundred forty-one million, six hundred forty-three thousand, three hundred twelve".