489489557760 has 1008 divisors, whose sum is σ = 2027411680896. Its totient is φ = 110863613952.

The previous prime is 489489557737. The next prime is 489489557773. The reversal of 489489557760 is 67755984984.

489489557760 is a `hidden beast` number, since 4 + 8 + 9 + 4 + 8 + 9 + 557 + 7 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (1008).

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 111 ways as a sum of consecutive naturals, for example, 894861807 + ... + 894862353.

It is an arithmetic number, because the mean of its divisors is an integer number (2011321112).

Almost surely, 2^489489557760 is an apocalyptic number.

489489557760 is a gapful number since it is divisible by the number (40) 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 489489557760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1013705840448).

489489557760 is an abundant number, since it is smaller than the sum of its proper divisors (1537922123136).

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

489489557760 is an equidigital number, since it uses as much as digits as its factorization.

489489557760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 72.

The spelling of 489489557760 in words is "four hundred eighty-nine billion, four hundred eighty-nine million, five hundred fifty-seven thousand, seven hundred sixty".