489448576 has 32 divisors (see below), whose sum is σ = 981097200. Its totient is φ = 243212544.

The previous prime is 489448541. The next prime is 489448577. The reversal of 489448576 is 675844984.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (489448577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9135 + ... + 32593.

Almost surely, 2^489448576 is an apocalyptic number.

489448576 is the 11826-th centered heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489448576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490548600).

489448576 is an abundant number, since it is smaller than the sum of its proper divisors (491648624).

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

489448576 is a wasteful number, since it uses less digits than its factorization.

489448576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23636 (or 23624 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The square root of 489448576 is about 22123.4847164727. The cubic root of 489448576 is about 788.0776719198.

The spelling of 489448576 in words is "four hundred eighty-nine million, four hundred forty-eight thousand, five hundred seventy-six".