200640539175696 has 45 divisors (see below), whose sum is σ = 561515317976821. Its totient is φ = 66880123066176.

The previous prime is 200640539175683. The next prime is 200640539175697. The reversal of 200640539175696 is 696571935046002.

The square root of 200640539175696 is 14164764.

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

200640539175696 is a `hidden beast` number, since 2 + 0 + 0 + 6 + 4 + 0 + 53 + 9 + 17 + 569 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 175867382250000 + 24773156925696 = 13261500^2 + 4977264^2 .

It is a super-3 number, since 3×200640539175696³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200640539175697) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 169386970 + ... + 170567366.

Almost surely, 2^{200640539175696} is an apocalyptic number.

200640539175696 is the 14164764-th square number.

It is an amenable number.

200640539175696 is an abundant number, since it is smaller than the sum of its proper divisors (360874778801125).

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

200640539175696 is an frugal number, since it uses more digits than its factorization.

200640539175696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360808 (or 1180402 counting only the distinct ones).

The product of its (nonzero) digits is 73483200, while the sum is 63.

The spelling of 200640539175696 in words is "two hundred trillion, six hundred forty billion, five hundred thirty-nine million, one hundred seventy-five thousand, six hundred ninety-six".