844321682052 has 72 divisors (see below), whose sum is σ = 2224494272000. Its totient is φ = 269717506560.

The previous prime is 844321682041. The next prime is 844321682059. The reversal of 844321682052 is 250286123448.

844321682052 is a `hidden beast` number, since 8 + 4 + 432 + 1 + 6 + 8 + 205 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 844321681989 and 844321682007.

It is not an unprimeable number, because it can be changed into a prime (844321682059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3557677 + ... + 3787572.

Almost surely, 2^844321682052 is an apocalyptic number.

It is an amenable number.

844321682052 is an abundant number, since it is smaller than the sum of its proper divisors (1380172589948).

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

844321682052 is a wasteful number, since it uses less digits than its factorization.

844321682052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7345393 (or 7345388 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 844321682052 in words is "eight hundred forty-four billion, three hundred twenty-one million, six hundred eighty-two thousand, fifty-two".