244806840 has 128 divisors (see below), whose sum is σ = 826156800. Its totient is φ = 64471680.

The previous prime is 244806839. The next prime is 244806853. The reversal of 244806840 is 48608442.

244806840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 244806795 and 244806804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88275 + ... + 91005.

It is an arithmetic number, because the mean of its divisors is an integer number (6454350).

Almost surely, 2^244806840 is an apocalyptic number.

244806840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244806840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413078400).

244806840 is an abundant number, since it is smaller than the sum of its proper divisors (581349960).

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

244806840 is a wasteful number, since it uses less digits than its factorization.

244806840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834 (or 2824 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 244806840 is about 15646.3043559813. The cubic root of 244806840 is about 625.5679871353.

The spelling of 244806840 in words is "two hundred forty-four million, eight hundred six thousand, eight hundred forty".