844544733420 has 24 divisors (see below), whose sum is σ = 2364725253744. Its totient is φ = 225211928896.

The previous prime is 844544733419. The next prime is 844544733443. The reversal of 844544733420 is 24337445448.

It is a self number, because there is not a number n which added to its sum of digits gives 844544733420.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7037872719 + ... + 7037872838.

It is an arithmetic number, because the mean of its divisors is an integer number (98530218906).

Almost surely, 2^844544733420 is an apocalyptic number.

It is an amenable number.

844544733420 is an abundant number, since it is smaller than the sum of its proper divisors (1520180520324).

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

844544733420 is a wasteful number, since it uses less digits than its factorization.

844544733420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14075745569 (or 14075745567 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 48.

The spelling of 844544733420 in words is "eight hundred forty-four billion, five hundred forty-four million, seven hundred thirty-three thousand, four hundred twenty".