844448274 has 128 divisors (see below), whose sum is σ = 2071008000. Its totient is φ = 254016000.

The previous prime is 844448261. The next prime is 844448279. The reversal of 844448274 is 472844448.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (844448279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3005014 + ... + 3005294.

It is an arithmetic number, because the mean of its divisors is an integer number (16179750).

Almost surely, 2^844448274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 844448274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1035504000).

844448274 is an abundant number, since it is smaller than the sum of its proper divisors (1226559726).

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

844448274 is a wasteful number, since it uses less digits than its factorization.

844448274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 435 counting only the distinct ones).

The product of its digits is 917504, while the sum is 45.

The square root of 844448274 is about 29059.3921822188. The cubic root of 844448274 is about 945.2013881702.

The spelling of 844448274 in words is "eight hundred forty-four million, four hundred forty-eight thousand, two hundred seventy-four".