491522304 has 216 divisors, whose sum is σ = 1621889472. Its totient is φ = 129392640.

The previous prime is 491522299. The next prime is 491522321. The reversal of 491522304 is 403225194.

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, 908274 + ... + 908814.

Almost surely, 2^491522304 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 491522304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810944736).

491522304 is an abundant number, since it is smaller than the sum of its proper divisors (1130367168).

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

491522304 is a wasteful number, since it uses less digits than its factorization.

491522304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 491522304 is about 22170.3022983450. The cubic root of 491522304 is about 789.1890968899.

Adding to 491522304 its reverse (403225194), we get a palindrome (894747498).

The spelling of 491522304 in words is "four hundred ninety-one million, five hundred twenty-two thousand, three hundred four".