641013228200 has 96 divisors (see below), whose sum is σ = 1512713180160. Its totient is φ = 252584966400.

The previous prime is 641013228179. The next prime is 641013228253. The reversal of 641013228200 is 2822310146.

It is a happy 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, 3853142 + ... + 4016058.

It is an arithmetic number, because the mean of its divisors is an integer number (15757428960).

Almost surely, 2^641013228200 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 641013228200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756356590080).

641013228200 is an abundant number, since it is smaller than the sum of its proper divisors (871699951960).

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

641013228200 is a wasteful number, since it uses less digits than its factorization.

641013228200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163227 (or 163218 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 641013228200 its reverse (2822310146), we get a palindrome (643835538346).

The spelling of 641013228200 in words is "six hundred forty-one billion, thirteen million, two hundred twenty-eight thousand, two hundred".