489529333440 has 2016 divisors, whose sum is σ = 2176085096640. Its totient is φ = 100329062400.

The previous prime is 489529333427. The next prime is 489529333441. The reversal of 489529333440 is 44333925984.

489529333440 is a `hidden beast` number, since 4 + 8 + 9 + 5 + 293 + 3 + 344 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

It is not an unprimeable number, because it can be changed into a prime (489529333441) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 6705881244 + ... + 6705881316.

It is an arithmetic number, because the mean of its divisors is an integer number (1079407290).

Almost surely, 2^489529333440 is an apocalyptic number.

489529333440 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 489529333440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1088042548320).

489529333440 is an abundant number, since it is smaller than the sum of its proper divisors (1686555763200).

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

489529333440 is a wasteful number, since it uses less digits than its factorization.

489529333440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 489529333440 in words is "four hundred eighty-nine billion, five hundred twenty-nine million, three hundred thirty-three thousand, four hundred forty".