489696768 has 120 divisors (see below), whose sum is σ = 1541939256. Its totient is φ = 148377600.

The previous prime is 489696731. The next prime is 489696787. The reversal of 489696768 is 867696984.

489696768 is a `hidden beast` number, since 489 + 6 + 96 + 7 + 68 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45858 + ... + 55518.

Almost surely, 2^489696768 is an apocalyptic number.

489696768 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 489696768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770969628).

489696768 is an abundant number, since it is smaller than the sum of its proper divisors (1052242488).

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

489696768 is a wasteful number, since it uses less digits than its factorization.

489696768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9696 (or 9677 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The square root of 489696768 is about 22129.0932484817. The cubic root of 489696768 is about 788.2108568490.

The spelling of 489696768 in words is "four hundred eighty-nine million, six hundred ninety-six thousand, seven hundred sixty-eight".