489881518848 has 216 divisors, whose sum is σ = 1450317828960. Its totient is φ = 158934712320.

The previous prime is 489881518681. The next prime is 489881518877. The reversal of 489881518848 is 848815188984.

489881518848 is a `hidden beast` number, since 489 + 88 + 15 + 18 + 8 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41463790 + ... + 41475602.

Almost surely, 2^489881518848 is an apocalyptic number.

489881518848 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 489881518848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725158914480).

489881518848 is an abundant number, since it is smaller than the sum of its proper divisors (960436310112).

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

489881518848 is a wasteful number, since it uses less digits than its factorization.

489881518848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12315 (or 12298 counting only the distinct ones).

The product of its digits is 188743680, while the sum is 72.

The spelling of 489881518848 in words is "four hundred eighty-nine billion, eight hundred eighty-one million, five hundred eighteen thousand, eight hundred forty-eight".