489181760 has 112 divisors (see below), whose sum is σ = 1210763136. Its totient is φ = 188116992.

The previous prime is 489181747. The next prime is 489181787. The reversal of 489181760 is 67181984.

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, 1004237 + ... + 1004723.

Almost surely, 2^489181760 is an apocalyptic number.

489181760 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 489181760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605381568).

489181760 is an abundant number, since it is smaller than the sum of its proper divisors (721581376).

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

489181760 is a wasteful number, since it uses less digits than its factorization.

489181760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 489181760 is about 22117.4537413329. The cubic root of 489181760 is about 787.9344427412.

The spelling of 489181760 in words is "four hundred eighty-nine million, one hundred eighty-one thousand, seven hundred sixty".