489464740 has 24 divisors (see below), whose sum is σ = 1028539512. Its totient is φ = 195659520.

The previous prime is 489464693. The next prime is 489464747. The reversal of 489464740 is 47464984.

It can be written as a sum of positive squares in 4 ways, for example, as 59814756 + 429649984 = 7734^2 + 20728^2 .

It is not an unprimeable number, because it can be changed into a prime (489464747) 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, 27792 + ... + 41848.

It is an arithmetic number, because the mean of its divisors is an integer number (42855813).

Almost surely, 2^489464740 is an apocalyptic number.

It is an amenable number.

489464740 is an abundant number, since it is smaller than the sum of its proper divisors (539074772).

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

489464740 is a wasteful number, since it uses less digits than its factorization.

489464740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15807 (or 15805 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 489464740 is about 22123.8500266116. The cubic root of 489464740 is about 788.0863472249.

The spelling of 489464740 in words is "four hundred eighty-nine million, four hundred sixty-four thousand, seven hundred forty".