489884488984 has 64 divisors (see below), whose sum is σ = 1045993098240. Its totient is φ = 212913845760.

The previous prime is 489884488979. The next prime is 489884489009.

489884488984 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×489884488984² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 489884488898 and 489884488907.

It is a congruent number.

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, 5556672 + ... + 5644144.

It is an arithmetic number, because the mean of its divisors is an integer number (16343642160).

Almost surely, 2^489884488984 is an apocalyptic number.

489884488984 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 489884488984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522996549120).

489884488984 is an abundant number, since it is smaller than the sum of its proper divisors (556108609256).

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

489884488984 is a wasteful number, since it uses less digits than its factorization.

489884488984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90280 (or 90276 counting only the distinct ones).

The product of its digits is 5435817984, while the sum is 82.

The spelling of 489884488984 in words is "four hundred eighty-nine billion, eight hundred eighty-four million, four hundred eighty-eight thousand, nine hundred eighty-four".