489857760000 has 1440 divisors, whose sum is σ = 2102602951680. Its totient is φ = 110149632000.

The previous prime is 489857759999. The next prime is 489857760031. The reversal of 489857760000 is 67758984.

489857760000 is a `hidden beast` number, since 4 + 8 + 9 + 8 + 577 + 60 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

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

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2933279917 + ... + 2933280083.

Almost surely, 2^489857760000 is an apocalyptic number.

489857760000 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 489857760000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1051301475840).

489857760000 is an abundant number, since it is smaller than the sum of its proper divisors (1612745191680).

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

489857760000 is an equidigital number, since it uses as much as digits as its factorization.

489857760000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 489857760000 in words is "four hundred eighty-nine billion, eight hundred fifty-seven million, seven hundred sixty thousand".