244644311412 has 36 divisors (see below), whose sum is σ = 630074505060. Its totient is φ = 80009459712.

The previous prime is 244644311381. The next prime is 244644311419. The reversal of 244644311412 is 214113446442.

244644311412 is a `hidden beast` number, since 2 + 4 + 4 + 644 + 3 + 1 + 1 + 4 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 65481739236 + 179162572176 = 255894^2 + 423276^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244644311419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64108237 + ... + 64112052.

It is an arithmetic number, because the mean of its divisors is an integer number (17502069585).

Almost surely, 2^244644311412 is an apocalyptic number.

It is an amenable number.

244644311412 is an abundant number, since it is smaller than the sum of its proper divisors (385430193648).

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

244644311412 is a wasteful number, since it uses less digits than its factorization.

244644311412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128220352 (or 128220347 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

Adding to 244644311412 its reverse (214113446442), we get a palindrome (458757757854).

The spelling of 244644311412 in words is "two hundred forty-four billion, six hundred forty-four million, three hundred eleven thousand, four hundred twelve".