844250680 has 128 divisors (see below), whose sum is σ = 2395370880. Its totient is φ = 260628480.

The previous prime is 844250677. The next prime is 844250681. The reversal of 844250680 is 86052448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844250681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146412 + ... + 152068.

It is an arithmetic number, because the mean of its divisors is an integer number (18713835).

Almost surely, 2^844250680 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 844250680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197685440).

844250680 is an abundant number, since it is smaller than the sum of its proper divisors (1551120200).

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

844250680 is a wasteful number, since it uses less digits than its factorization.

844250680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729 (or 5725 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 844250680 is about 29055.9921530826. The cubic root of 844250680 is about 945.1276592840.

The spelling of 844250680 in words is "eight hundred forty-four million, two hundred fifty thousand, six hundred eighty".