489292981632 has 768 divisors, whose sum is σ = 1860478139520. Its totient is φ = 119757864960.

The previous prime is 489292981603. The next prime is 489292981651. The reversal of 489292981632 is 236189292984.

489292981632 is a `hidden beast` number, since 489 + 2 + 9 + 2 + 98 + 1 + 63 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 489292981632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 130094632 + ... + 130098392.

Almost surely, 2^489292981632 is an apocalyptic number.

489292981632 is a gapful number since it is divisible by the number (42) 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 489292981632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (930239069760).

489292981632 is an abundant number, since it is smaller than the sum of its proper divisors (1371185157888).

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

489292981632 is a wasteful number, since it uses less digits than its factorization.

489292981632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891 (or 3876 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The spelling of 489292981632 in words is "four hundred eighty-nine billion, two hundred ninety-two million, nine hundred eighty-one thousand, six hundred thirty-two".