489863880 has 192 divisors, whose sum is σ = 1755112320. Its totient is φ = 117504000.

The previous prime is 489863879. The next prime is 489863903. The reversal of 489863880 is 88368984.

489863880 is a `hidden beast` number, since 489 + 86 + 3 + 8 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 407280 + ... + 408480.

It is an arithmetic number, because the mean of its divisors is an integer number (9141210).

Almost surely, 2^489863880 is an apocalyptic number.

489863880 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 489863880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (877556160).

489863880 is an abundant number, since it is smaller than the sum of its proper divisors (1265248440).

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

489863880 is a wasteful number, since it uses less digits than its factorization.

489863880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 489863880 is about 22132.8687702250. The cubic root of 489863880 is about 788.3005072346.

The spelling of 489863880 in words is "four hundred eighty-nine million, eight hundred sixty-three thousand, eight hundred eighty".