282239312644 has 27 divisors (see below), whose sum is σ = 495843318453. Its totient is φ = 140571925200.

The previous prime is 282239312629. The next prime is 282239312681. The reversal of 282239312644 is 446213932282.

The square root of 282239312644 is 531262.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 112132559044 + 170106753600 = 334862^2 + 412440^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 282239312594 and 282239312603.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 521699014 + ... + 521699554.

Almost surely, 2^282239312644 is an apocalyptic number.

282239312644 is the 531262-nd square number.

It is an amenable number.

282239312644 is a deficient number, since it is larger than the sum of its proper divisors (213604005809).

282239312644 is an frugal number, since it uses more digits than its factorization.

282239312644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068 (or 1034 counting only the distinct ones).

The product of its digits is 995328, while the sum is 46.

The spelling of 282239312644 in words is "two hundred eighty-two billion, two hundred thirty-nine million, three hundred twelve thousand, six hundred forty-four".