489999132 has 240 divisors, whose sum is σ = 1570947840. Its totient is φ = 130076928.

The previous prime is 489999121. The next prime is 489999137. The reversal of 489999132 is 231999984.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489999137) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3576568 + ... + 3576704.

It is an arithmetic number, because the mean of its divisors is an integer number (6545616).

Almost surely, 2^489999132 is an apocalyptic number.

489999132 is a gapful number since it is divisible by the number (42) 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 489999132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785473920).

489999132 is an abundant number, since it is smaller than the sum of its proper divisors (1080948708).

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

489999132 is a wasteful number, since it uses less digits than its factorization.

489999132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 251 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The square root of 489999132 is about 22135.9240150485. The cubic root of 489999132 is about 788.3730507945.

The spelling of 489999132 in words is "four hundred eighty-nine million, nine hundred ninety-nine thousand, one hundred thirty-two".