44240220066 has 96 divisors (see below), whose sum is σ = 105241006080. Its totient is φ = 12356438304.

The previous prime is 44240220053. The next prime is 44240220191. The reversal of 44240220066 is 66002204244.

44240220066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 17395591 + ... + 17398133.

It is an arithmetic number, because the mean of its divisors is an integer number (1096260480).

Almost surely, 2^44240220066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44240220066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52620503040).

44240220066 is an abundant number, since it is smaller than the sum of its proper divisors (61000786014).

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

44240220066 is a wasteful number, since it uses less digits than its factorization.

44240220066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868 (or 3861 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 44240220066 in words is "forty-four billion, two hundred forty million, two hundred twenty thousand, sixty-six".