491844360 has 192 divisors, whose sum is σ = 1728604800. Its totient is φ = 111627264.

The previous prime is 491844343. The next prime is 491844373. The reversal of 491844360 is 63448194.

It is a happy number.

491844360 is digitally balanced in base 6, 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1369861 + ... + 1370219.

It is an arithmetic number, because the mean of its divisors is an integer number (9003150).

Almost surely, 2^491844360 is an apocalyptic number.

491844360 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 491844360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864302400).

491844360 is an abundant number, since it is smaller than the sum of its proper divisors (1236760440).

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

491844360 is a wasteful number, since it uses less digits than its factorization.

491844360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 491844360 is about 22177.5643387636. The cubic root of 491844360 is about 789.3614238225.

The spelling of 491844360 in words is "four hundred ninety-one million, eight hundred forty-four thousand, three hundred sixty".