491240516 has 96 divisors (see below), whose sum is σ = 1018792320. Its totient is φ = 205286400.

The previous prime is 491240513. The next prime is 491240521. The reversal of 491240516 is 615042194.

It is not an unprimeable number, because it can be changed into a prime (491240513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2713946 + ... + 2714126.

It is an arithmetic number, because the mean of its divisors is an integer number (10612420).

Almost surely, 2^491240516 is an apocalyptic number.

It is an amenable number.

491240516 is an abundant number, since it is smaller than the sum of its proper divisors (527551804).

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

491240516 is a wasteful number, since it uses less digits than its factorization.

491240516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 491240516 is about 22163.9463092654. The cubic root of 491240516 is about 789.0382549536.

The spelling of 491240516 in words is "four hundred ninety-one million, two hundred forty thousand, five hundred sixteen".