491037200 has 60 divisors (see below), whose sum is σ = 1204863360. Its totient is φ = 192228480.

The previous prime is 491037161. The next prime is 491037203. The reversal of 491037200 is 2730194.

It is a super-2 number, since 2×491037200² = 482235063567680000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 491037200.

It is not an unprimeable number, because it can be changed into a prime (491037203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5741 + ... + 31859.

It is an arithmetic number, because the mean of its divisors is an integer number (20081056).

Almost surely, 2^491037200 is an apocalyptic number.

491037200 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 491037200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602431680).

491037200 is an abundant number, since it is smaller than the sum of its proper divisors (713826160).

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

491037200 is a wasteful number, since it uses less digits than its factorization.

491037200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26184 (or 26173 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 491037200 is about 22159.3591965111. The cubic root of 491037200 is about 788.9293834783.

Adding to 491037200 its reverse (2730194), we get a palindrome (493767394).

The spelling of 491037200 in words is "four hundred ninety-one million, thirty-seven thousand, two hundred".