489455516160 has 640 divisors, whose sum is σ = 1970936352000. Its totient is φ = 114136252416.

The previous prime is 489455516153. The next prime is 489455516183. The reversal of 489455516160 is 61615554984.

It is a happy number.

489455516160 is a `hidden beast` number, since 4 + 89 + 4 + 5 + 551 + 6 + 1 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a super-2 number, since 2×489455516160² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 489455516097 and 489455516106.

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 63 ways as a sum of consecutive naturals, for example, 17058306 + ... + 17086974.

It is an arithmetic number, because the mean of its divisors is an integer number (3079588050).

Almost surely, 2^489455516160 is an apocalyptic number.

489455516160 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 489455516160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985468176000).

489455516160 is an abundant number, since it is smaller than the sum of its proper divisors (1481480835840).

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

489455516160 is a wasteful number, since it uses less digits than its factorization.

489455516160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28733 (or 28711 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 489455516160 in words is "four hundred eighty-nine billion, four hundred fifty-five million, five hundred sixteen thousand, one hundred sixty".