844061330225 has 6 divisors (see below), whose sum is σ = 1046636049510. Its totient is φ = 675249064160.

The previous prime is 844061330197. The next prime is 844061330227. The reversal of 844061330225 is 522033160448.

844061330225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 140180601649 + 703880728576 = 374407^2 + 838976^2 .

It is not a de Polignac number, because 844061330225 - 2²⁶ = 843994221361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (844061330227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16881226580 + ... + 16881226629.

It is an arithmetic number, because the mean of its divisors is an integer number (174439341585).

Almost surely, 2^844061330225 is an apocalyptic number.

It is an amenable number.

844061330225 is a deficient number, since it is larger than the sum of its proper divisors (202574719285).

844061330225 is a wasteful number, since it uses less digits than its factorization.

844061330225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33762453219 (or 33762453214 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 844061330225 in words is "eight hundred forty-four billion, sixty-one million, three hundred thirty thousand, two hundred twenty-five".