8944243380 has 144 divisors (see below), whose sum is σ = 28658133504. Its totient is φ = 2254452480.

The previous prime is 8944243361. The next prime is 8944243471. The reversal of 8944243380 is 833424498.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221302 + ... + 258578.

It is an arithmetic number, because the mean of its divisors is an integer number (199014816).

Almost surely, 2^8944243380 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 8944243380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14329066752).

8944243380 is an abundant number, since it is smaller than the sum of its proper divisors (19713890124).

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

8944243380 is a wasteful number, since it uses less digits than its factorization.

8944243380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37366 (or 37361 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 8944243380 is about 94574.0100661910. The cubic root of 8944243380 is about 2075.7794240347.

The spelling of 8944243380 in words is "eight billion, nine hundred forty-four million, two hundred forty-three thousand, three hundred eighty".