200640808 has 16 divisors (see below), whose sum is σ = 376610580. Its totient is φ = 100211328.

The previous prime is 200640761. The next prime is 200640827. The reversal of 200640808 is 808046002.

200640808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 200448964 + 191844 = 14158^2 + 438^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5535 + ... + 20782.

Almost surely, 2^200640808 is an apocalyptic number.

It is an amenable number.

200640808 is a deficient number, since it is larger than the sum of its proper divisors (175969772).

200640808 is a wasteful number, since it uses less digits than its factorization.

200640808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27276 (or 27272 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 200640808 is about 14164.7734891879. The cubic root of 200640808 is about 585.4274597561.

The spelling of 200640808 in words is "two hundred million, six hundred forty thousand, eight hundred eight".