489460122240 has 256 divisors, whose sum is σ = 1629568385280. Its totient is φ = 124726542336.

The previous prime is 489460122227. The next prime is 489460122287. The reversal of 489460122240 is 42221064984.

It is a super-2 number, since 2×489460122240² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 489460122192 and 489460122201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50911674 + ... + 50921286.

It is an arithmetic number, because the mean of its divisors is an integer number (6365501505).

Almost surely, 2^489460122240 is an apocalyptic number.

489460122240 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 489460122240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (814784192640).

489460122240 is an abundant number, since it is smaller than the sum of its proper divisors (1140108263040).

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

489460122240 is a wasteful number, since it uses less digits than its factorization.

489460122240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10811 (or 10799 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 489460122240 in words is "four hundred eighty-nine billion, four hundred sixty million, one hundred twenty-two thousand, two hundred forty".