489888888984 has 288 divisors, whose sum is σ = 1537700673600. Its totient is φ = 140401641600.

The previous prime is 489888888901. The next prime is 489888889001.

489888888984 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×489888888984² (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 489888888894 and 489888888903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 114377707 + ... + 114381989.

It is an arithmetic number, because the mean of its divisors is an integer number (5339238450).

Almost surely, 2^489888888984 is an apocalyptic number.

489888888984 is a gapful number since it is divisible by the number (44) 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 489888888984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768850336800).

489888888984 is an abundant number, since it is smaller than the sum of its proper divisors (1047811784616).

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

489888888984 is a wasteful number, since it uses less digits than its factorization.

489888888984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027 (or 5009 counting only the distinct ones).

The product of its digits is 21743271936, while the sum is 90.

The spelling of 489888888984 in words is "four hundred eighty-nine billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, nine hundred eighty-four".