844539007352 has 32 divisors (see below), whose sum is σ = 1593456803280. Its totient is φ = 419617946880.

The previous prime is 844539007343. The next prime is 844539007369. The reversal of 844539007352 is 253700935448.

It is a super-2 number, since 2×844539007352² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 844539007352.

It is a congruent number.

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, 9711938 + ... + 9798510.

Almost surely, 2^844539007352 is an apocalyptic number.

It is an amenable number.

844539007352 is a deficient number, since it is larger than the sum of its proper divisors (748917795928).

844539007352 is a wasteful number, since it uses less digits than its factorization.

844539007352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94223 (or 94219 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 844539007352 in words is "eight hundred forty-four billion, five hundred thirty-nine million, seven thousand, three hundred fifty-two".