489018880 has 160 divisors (see below), whose sum is σ = 1387679040. Its totient is φ = 161710080.

The previous prime is 489018853. The next prime is 489018917. The reversal of 489018880 is 88810984.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 489018880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519210 + ... + 520150.

It is an arithmetic number, because the mean of its divisors is an integer number (8672994).

Almost surely, 2^489018880 is an apocalyptic number.

489018880 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 489018880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693839520).

489018880 is an abundant number, since it is smaller than the sum of its proper divisors (898660160).

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

489018880 is an equidigital number, since it uses as much as digits as its factorization.

489018880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 46.

The square root of 489018880 is about 22113.7712749318. The cubic root of 489018880 is about 787.8469817200.

The spelling of 489018880 in words is "four hundred eighty-nine million, eighteen thousand, eight hundred eighty".