44822655616 has 64 divisors (see below), whose sum is σ = 91129401000. Its totient is φ = 21955608576.

The previous prime is 44822655607. The next prime is 44822655659. The reversal of 44822655616 is 61655622844.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28669262400 + 16153393216 = 169320^2 + 127096^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 44822655616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223680 + ... + 1259776.

Almost surely, 2^44822655616 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 44822655616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45564700500).

44822655616 is an abundant number, since it is smaller than the sum of its proper divisors (46306745384).

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

44822655616 is a wasteful number, since it uses less digits than its factorization.

44822655616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36309 (or 36297 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 49.

The spelling of 44822655616 in words is "forty-four billion, eight hundred twenty-two million, six hundred fifty-five thousand, six hundred sixteen".