44443385856 has 315 divisors, whose sum is σ = 135485614173. Its totient is φ = 14571601920.

The previous prime is 44443385843. The next prime is 44443385873. The reversal of 44443385856 is 65858334444.

The square root of 44443385856 is 210816.

It is a perfect power (a square), and thus also a powerful number.

44443385856 is a `hidden beast` number, since 44 + 443 + 3 + 85 + 85 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1445216256 + 42998169600 = 38016^2 + 207360^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 728580066 + ... + 728580126.

Almost surely, 2^44443385856 is an apocalyptic number.

44443385856 is the 210816-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44443385856

44443385856 is an abundant number, since it is smaller than the sum of its proper divisors (91042228317).

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

44443385856 is an frugal number, since it uses more digits than its factorization.

44443385856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 66 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 54.

The spelling of 44443385856 in words is "forty-four billion, four hundred forty-three million, three hundred eighty-five thousand, eight hundred fifty-six".