200640002808 has 64 divisors (see below), whose sum is σ = 573793920000. Its totient is φ = 57272038272.

The previous prime is 200640002779. The next prime is 200640002833. The reversal of 200640002808 is 808200046002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379008 + ... + 738191.

It is an arithmetic number, because the mean of its divisors is an integer number (8965530000).

Almost surely, 2^200640002808 is an apocalyptic number.

200640002808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

200640002808 is an abundant number, since it is smaller than the sum of its proper divisors (373153917192).

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

200640002808 is a wasteful number, since it uses less digits than its factorization.

200640002808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118284 (or 1118280 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The spelling of 200640002808 in words is "two hundred billion, six hundred forty million, two thousand, eight hundred eight".