646206026200 has 96 divisors (see below), whose sum is σ = 1732257387360. Its totient is φ = 219595622400.

The previous prime is 646206026183. The next prime is 646206026227. The reversal of 646206026200 is 2620602646.

646206026200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1884171 + ... + 2200570.

It is an arithmetic number, because the mean of its divisors is an integer number (18044347785).

Almost surely, 2^646206026200 is an apocalyptic number.

It is an amenable number.

646206026200 is an abundant number, since it is smaller than the sum of its proper divisors (1086051361160).

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

646206026200 is a wasteful number, since it uses less digits than its factorization.

646206026200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084877 (or 4084868 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 646206026200 its reverse (2620602646), we get a palindrome (648826628846).

The spelling of 646206026200 in words is "six hundred forty-six billion, two hundred six million, twenty-six thousand, two hundred".