489168691200 has 1008 divisors, whose sum is σ = 2068806445056. Its totient is φ = 108114739200.

The previous prime is 489168691159. The next prime is 489168691201. The reversal of 489168691200 is 2196861984.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489168691201) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 399973789 + ... + 399975011.

Almost surely, 2^489168691200 is an apocalyptic number.

489168691200 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 489168691200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034403222528).

489168691200 is an abundant number, since it is smaller than the sum of its proper divisors (1579637753856).

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

489168691200 is a wasteful number, since it uses less digits than its factorization.

489168691200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 489168691200 in words is "four hundred eighty-nine billion, one hundred sixty-eight million, six hundred ninety-one thousand, two hundred".