489040000 has 80 divisors (see below), whose sum is σ = 1217633670. Its totient is φ = 195584000.

The previous prime is 489039949. The next prime is 489040009. The reversal of 489040000 is 40984.

It can be written as a sum of positive squares in 5 ways, for example, as 8904256 + 480135744 = 2984^2 + 21912^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (489040009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 76944 + ... + 83056.

Almost surely, 2^489040000 is an apocalyptic number.

489040000 is a gapful number since it is divisible by the number (40) 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 489040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608816835).

489040000 is an abundant number, since it is smaller than the sum of its proper divisors (728593670).

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

489040000 is an frugal number, since it uses more digits than its factorization.

489040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6147 (or 6120 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 489040000 is about 22114.2488002645. The cubic root of 489040000 is about 787.8583235376.

Adding to 489040000 its reverse (40984), we get a palindrome (489080984).

The spelling of 489040000 in words is "four hundred eighty-nine million, forty thousand".