491550608 has 40 divisors (see below), whose sum is σ = 975401856. Its totient is φ = 239904000.

The previous prime is 491550541. The next prime is 491550611. The reversal of 491550608 is 806055194.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114908 + ... + 119108.

Almost surely, 2^491550608 is an apocalyptic number.

It is an amenable number.

491550608 is a deficient number, since it is larger than the sum of its proper divisors (483851248).

491550608 is a wasteful number, since it uses less digits than its factorization.

491550608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383 (or 4377 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 491550608 is about 22170.9406205510. The cubic root of 491550608 is about 789.2042449169.

The spelling of 491550608 in words is "four hundred ninety-one million, five hundred fifty thousand, six hundred eight".