489928642560 has 1040 divisors, whose sum is σ = 2073435927552. Its totient is φ = 108291686400.

The previous prime is 489928642559. The next prime is 489928642579. The reversal of 489928642560 is 65246829984.

489928642560 is a `hidden beast` number, since 4 + 8 + 9 + 9 + 2 + 8 + 64 + 2 + 560 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 359976280 + ... + 359977640.

Almost surely, 2^489928642560 is an apocalyptic number.

489928642560 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 489928642560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1036717963776).

489928642560 is an abundant number, since it is smaller than the sum of its proper divisors (1583507284992).

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

489928642560 is a wasteful number, since it uses less digits than its factorization.

489928642560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 489928642560 in words is "four hundred eighty-nine billion, nine hundred twenty-eight million, six hundred forty-two thousand, five hundred sixty".