491524464 has 40 divisors (see below), whose sum is σ = 1270668672. Its totient is φ = 163725760.

The previous prime is 491524463. The next prime is 491524469. The reversal of 491524464 is 464425194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491524463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90037 + ... + 95339.

Almost surely, 2^491524464 is an apocalyptic number.

It is an amenable number.

491524464 is an abundant number, since it is smaller than the sum of its proper divisors (779144208).

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

491524464 is a wasteful number, since it uses less digits than its factorization.

491524464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7245 (or 7239 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 491524464 is about 22170.3510121062. The cubic root of 491524464 is about 789.1902529215.

The spelling of 491524464 in words is "four hundred ninety-one million, five hundred twenty-four thousand, four hundred sixty-four".