489327635520 has 1120 divisors, whose sum is σ = 1956246145920. Its totient is φ = 115378421760.

The previous prime is 489327635513. The next prime is 489327635527. The reversal of 489327635520 is 25536723984.

489327635520 is a `hidden beast` number, since 4 + 8 + 9 + 3 + 27 + 63 + 552 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (489327635513) and next prime (489327635527).

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

It is not an unprimeable number, because it can be changed into a prime (489327635527) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1766525622 + ... + 1766525898.

Almost surely, 2^489327635520 is an apocalyptic number.

489327635520 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 489327635520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978123072960).

489327635520 is an abundant number, since it is smaller than the sum of its proper divisors (1466918510400).

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

489327635520 is a wasteful number, since it uses less digits than its factorization.

489327635520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 489327635520 in words is "four hundred eighty-nine billion, three hundred twenty-seven million, six hundred thirty-five thousand, five hundred twenty".