489542833920 has 1728 divisors, whose sum is σ = 2029364305920. Its totient is φ = 99916185600.

The previous prime is 489542833903. The next prime is 489542833937. The reversal of 489542833920 is 29338245984.

It is an interprime number because it is at equal distance from previous prime (489542833903) and next prime (489542833937).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5500481236 + ... + 5500481324.

It is an arithmetic number, because the mean of its divisors is an integer number (1174400640).

Almost surely, 2^489542833920 is an apocalyptic number.

489542833920 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 489542833920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1014682152960).

489542833920 is an abundant number, since it is smaller than the sum of its proper divisors (1539821472000).

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

489542833920 is a wasteful number, since it uses less digits than its factorization.

489542833920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 489542833920 in words is "four hundred eighty-nine billion, five hundred forty-two million, eight hundred thirty-three thousand, nine hundred twenty".