844683365428 has 48 divisors (see below), whose sum is σ = 1729996516864. Its totient is φ = 353313848160.

The previous prime is 844683365363. The next prime is 844683365441. The reversal of 844683365428 is 824563386448.

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 15 ways as a sum of consecutive naturals, for example, 1282651 + ... + 1826077.

Almost surely, 2^844683365428 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 844683365428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864998258432).

844683365428 is an abundant number, since it is smaller than the sum of its proper divisors (885313151436).

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

844683365428 is a wasteful number, since it uses less digits than its factorization.

844683365428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544772 (or 544770 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 61.

The spelling of 844683365428 in words is "eight hundred forty-four billion, six hundred eighty-three million, three hundred sixty-five thousand, four hundred twenty-eight".