200845451136 has 128 divisors (see below), whose sum is σ = 584756208000. Its totient is φ = 60573542400.

The previous prime is 200845451111. The next prime is 200845451159. The reversal of 200845451136 is 631154548002.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 200845451094 and 200845451103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778590 + ... + 1003938.

It is an arithmetic number, because the mean of its divisors is an integer number (4568407875).

Almost surely, 2^200845451136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200845451136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292378104000).

200845451136 is an abundant number, since it is smaller than the sum of its proper divisors (383910756864).

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

200845451136 is a wasteful number, since it uses less digits than its factorization.

200845451136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225588 (or 225576 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

Adding to 200845451136 its reverse (631154548002), we get a palindrome (831999999138).

The spelling of 200845451136 in words is "two hundred billion, eight hundred forty-five million, four hundred fifty-one thousand, one hundred thirty-six".