491382730200 has 192 divisors, whose sum is σ = 1551933884160. Its totient is φ = 128586078720.

The previous prime is 491382730187. The next prime is 491382730231. The reversal of 491382730200 is 2037283194.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10549362 + ... + 10595838.

It is an arithmetic number, because the mean of its divisors is an integer number (8082988980).

Almost surely, 2^491382730200 is an apocalyptic number.

491382730200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 491382730200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775966942080).

491382730200 is an abundant number, since it is smaller than the sum of its proper divisors (1060551153960).

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

491382730200 is a wasteful number, since it uses less digits than its factorization.

491382730200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46826 (or 46817 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 491382730200 in words is "four hundred ninety-one billion, three hundred eighty-two million, seven hundred thirty thousand, two hundred".