244026644 has 6 divisors (see below), whose sum is σ = 427046634. Its totient is φ = 122013320.

The previous prime is 244026641. The next prime is 244026689. The reversal of 244026644 is 446620442.

It can be written as a sum of positive squares in only one way, i.e., 236790544 + 7236100 = 15388^2 + 2690^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 244026644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244026641) 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 as a sum of consecutive naturals, namely, 30503327 + ... + 30503334.

It is an arithmetic number, because the mean of its divisors is an integer number (71174439).

Almost surely, 2^244026644 is an apocalyptic number.

It is an amenable number.

244026644 is a deficient number, since it is larger than the sum of its proper divisors (183019990).

244026644 is a wasteful number, since it uses less digits than its factorization.

244026644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61006665 (or 61006663 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 244026644 is about 15621.3521821896. The cubic root of 244026644 is about 624.9027210730.

The spelling of 244026644 in words is "two hundred forty-four million, twenty-six thousand, six hundred forty-four".