244668768 has 48 divisors (see below), whose sum is σ = 648285120. Its totient is φ = 80790656.

The previous prime is 244668761. The next prime is 244668821. The reversal of 244668768 is 867866442.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 244668768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244668761) by changing a digit.

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, 1638 + ... + 22181.

It is an arithmetic number, because the mean of its divisors is an integer number (13505940).

Almost surely, 2^244668768 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 244668768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324142560).

244668768 is an abundant number, since it is smaller than the sum of its proper divisors (403616352).

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

244668768 is a wasteful number, since it uses less digits than its factorization.

244668768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23939 (or 23931 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The square root of 244668768 is about 15641.8914457300. The cubic root of 244668768 is about 625.4503574338.

The spelling of 244668768 in words is "two hundred forty-four million, six hundred sixty-eight thousand, seven hundred sixty-eight".