489132864 has 112 divisors (see below), whose sum is σ = 1568744640. Its totient is φ = 148216320.

The previous prime is 489132863. The next prime is 489132871. The reversal of 489132864 is 468231984.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489132863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6142 + ... + 31874.

Almost surely, 2^489132864 is an apocalyptic number.

489132864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489132864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784372320).

489132864 is an abundant number, since it is smaller than the sum of its proper divisors (1079611776).

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

489132864 is a wasteful number, since it uses less digits than its factorization.

489132864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25765 (or 25749 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 489132864 is about 22116.3483423462. The cubic root of 489132864 is about 787.9081892914.

The spelling of 489132864 in words is "four hundred eighty-nine million, one hundred thirty-two thousand, eight hundred sixty-four".