489131448 has 32 divisors (see below), whose sum is σ = 1316893200. Its totient is φ = 150501888.

The previous prime is 489131443. The next prime is 489131471. The reversal of 489131448 is 844131984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489131443) 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, 783553 + ... + 784176.

Almost surely, 2^489131448 is an apocalyptic number.

It is an amenable number.

489131448 is an abundant number, since it is smaller than the sum of its proper divisors (827761752).

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

489131448 is a wasteful number, since it uses less digits than its factorization.

489131448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567751 (or 1567747 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 489131448 is about 22116.3163298050. The cubic root of 489131448 is about 787.9074289806.

The spelling of 489131448 in words is "four hundred eighty-nine million, one hundred thirty-one thousand, four hundred forty-eight".