491588960 has 24 divisors (see below), whose sum is σ = 1161379296. Its totient is φ = 196635520.

The previous prime is 491588927. The next prime is 491588963. The reversal of 491588960 is 69885194.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 491588899 and 491588908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491588963) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1536056 + ... + 1536375.

It is an arithmetic number, because the mean of its divisors is an integer number (48390804).

Almost surely, 2^491588960 is an apocalyptic number.

491588960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

491588960 is an abundant number, since it is smaller than the sum of its proper divisors (669790336).

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

491588960 is a wasteful number, since it uses less digits than its factorization.

491588960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072446 (or 3072438 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 491588960 is about 22171.8055196233. The cubic root of 491588960 is about 789.2247696086.

The spelling of 491588960 in words is "four hundred ninety-one million, five hundred eighty-eight thousand, nine hundred sixty".