491967024 has 40 divisors (see below), whose sum is σ = 1311916032. Its totient is φ = 158698560.

The previous prime is 491966989. The next prime is 491967043. The reversal of 491967024 is 420769194.

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 7 ways as a sum of consecutive naturals, for example, 163824 + ... + 166799.

Almost surely, 2^491967024 is an apocalyptic number.

It is an amenable number.

491967024 is an abundant number, since it is smaller than the sum of its proper divisors (819949008).

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

491967024 is a wasteful number, since it uses less digits than its factorization.

491967024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330665 (or 330659 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 491967024 is about 22180.3296639162. The cubic root of 491967024 is about 789.4270395534.

The spelling of 491967024 in words is "four hundred ninety-one million, nine hundred sixty-seven thousand, twenty-four".