244212768 has 72 divisors (see below), whose sum is σ = 705915756. Its totient is φ = 80064000.

The previous prime is 244212767. The next prime is 244212811. The reversal of 244212768 is 867212442.

244212768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 240002064 + 4210704 = 15492^2 + 2052^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is not an unprimeable number, because it can be changed into a prime (244212767) 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 11 ways as a sum of consecutive naturals, for example, 10618 + ... + 24518.

Almost surely, 2^244212768 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 244212768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352957878).

244212768 is an abundant number, since it is smaller than the sum of its proper divisors (461702988).

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

244212768 is a wasteful number, since it uses less digits than its factorization.

244212768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13978 (or 13967 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 244212768 is about 15627.3084054805. The cubic root of 244212768 is about 625.0615559638.

The spelling of 244212768 in words is "two hundred forty-four million, two hundred twelve thousand, seven hundred sixty-eight".