844520016 has 40 divisors (see below), whose sum is σ = 2310012864. Its totient is φ = 264947200.

The previous prime is 844519909. The next prime is 844520029. The reversal of 844520016 is 610025448.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516660 + ... + 518291.

Almost surely, 2^844520016 is an apocalyptic number.

It is an amenable number.

844520016 is an abundant number, since it is smaller than the sum of its proper divisors (1465492848).

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

844520016 is a wasteful number, since it uses less digits than its factorization.

844520016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034979 (or 1034973 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 844520016 is about 29060.6265589715. The cubic root of 844520016 is about 945.2281546480.

The spelling of 844520016 in words is "eight hundred forty-four million, five hundred twenty thousand, sixteen".