489622019328 has 540 divisors, whose sum is σ = 1632267170688. Its totient is φ = 145760808960.

The previous prime is 489622019291. The next prime is 489622019333. The reversal of 489622019328 is 823910226984.

489622019328 is a `hidden beast` number, since 4 + 8 + 9 + 622 + 0 + 1 + 9 + 3 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 108633651 + ... + 108638157.

Almost surely, 2^489622019328 is an apocalyptic number.

489622019328 is a gapful number since it is divisible by the number (48) 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 489622019328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816133585344).

489622019328 is an abundant number, since it is smaller than the sum of its proper divisors (1142645151360).

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

489622019328 is a wasteful number, since it uses less digits than its factorization.

489622019328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592 (or 4556 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 489622019328 in words is "four hundred eighty-nine billion, six hundred twenty-two million, nineteen thousand, three hundred twenty-eight".