200396789648 has 40 divisors (see below), whose sum is σ = 423651098880. Its totient is φ = 91071136640.

The previous prime is 200396789647. The next prime is 200396789669. The reversal of 200396789648 is 846987693002.

It is a happy number.

It is a Cunningham number, because it is equal to 447657²-1.

It is not an unprimeable number, because it can be changed into a prime (200396789641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783398 + ... + 1007226.

It is an arithmetic number, because the mean of its divisors is an integer number (10591277472).

Almost surely, 2^200396789648 is an apocalyptic number.

It is an amenable number.

200396789648 is an abundant number, since it is smaller than the sum of its proper divisors (223254309232).

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

200396789648 is a wasteful number, since it uses less digits than its factorization.

200396789648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228935 (or 228929 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 200396789648 in words is "two hundred billion, three hundred ninety-six million, seven hundred eighty-nine thousand, six hundred forty-eight".