489176432640 has 504 divisors, whose sum is σ = 1939378135968. Its totient is φ = 111736258560.

The previous prime is 489176432639. The next prime is 489176432653. The reversal of 489176432640 is 46234671984.

489176432640 is a `hidden beast` number, since 4 + 89 + 1 + 76 + 432 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330300700 + ... + 330302180.

It is an arithmetic number, because the mean of its divisors is an integer number (3847972492).

Almost surely, 2^489176432640 is an apocalyptic number.

489176432640 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 489176432640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969689067984).

489176432640 is an abundant number, since it is smaller than the sum of its proper divisors (1450201703328).

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

489176432640 is an frugal number, since it uses more digits than its factorization.

489176432640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 489176432640 in words is "four hundred eighty-nine billion, one hundred seventy-six million, four hundred thirty-two thousand, six hundred forty".