200644868356 has 27 divisors (see below), whose sum is σ = 363701005941. Its totient is φ = 96850497744.

The previous prime is 200644868339. The next prime is 200644868383. The reversal of 200644868356 is 653868446002.

The square root of 200644868356 is 447934.

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., 105213301956 + 95431566400 = 324366^2 + 308920^2 .

It is a Duffinian number.

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, 25976311 + ... + 25984033.

Almost surely, 2^200644868356 is an apocalyptic number.

200644868356 is the 447934-th square number.

It is an amenable number.

200644868356 is a deficient number, since it is larger than the sum of its proper divisors (163056137585).

200644868356 is an frugal number, since it uses more digits than its factorization.

200644868356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15508 (or 7754 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 200644868356 in words is "two hundred billion, six hundred forty-four million, eight hundred sixty-eight thousand, three hundred fifty-six".