489178368 has 216 divisors, whose sum is σ = 1647464000. Its totient is φ = 139539456.

The previous prime is 489178367. The next prime is 489178387. The reversal of 489178368 is 863871984.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489178367) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 789963 + ... + 790581.

Almost surely, 2^489178368 is an apocalyptic number.

489178368 is a gapful number since it is divisible by the number (48) 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 489178368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823732000).

489178368 is an abundant number, since it is smaller than the sum of its proper divisors (1158285632).

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

489178368 is an equidigital number, since it uses as much as digits as its factorization.

489178368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 631 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 489178368 is about 22117.3770596787. The cubic root of 489178368 is about 787.9326215505.

The spelling of 489178368 in words is "four hundred eighty-nine million, one hundred seventy-eight thousand, three hundred sixty-eight".