491559248 has 20 divisors (see below), whose sum is σ = 953350068. Its totient is φ = 245533440.

The previous prime is 491559247. The next prime is 491559269. The reversal of 491559248 is 842955194.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 458473744 + 33085504 = 21412^2 + 5752^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491559247) 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, 1658 + ... + 31398.

Almost surely, 2^491559248 is an apocalyptic number.

It is an amenable number.

491559248 is a deficient number, since it is larger than the sum of its proper divisors (461790820).

491559248 is a wasteful number, since it uses less digits than its factorization.

491559248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30782 (or 30776 counting only the distinct ones).

The product of its digits is 518400, while the sum is 47.

The square root of 491559248 is about 22171.1354693439. The cubic root of 491559248 is about 789.2088688455.

The spelling of 491559248 in words is "four hundred ninety-one million, five hundred fifty-nine thousand, two hundred forty-eight".