489554995968 has 432 divisors, whose sum is σ = 1542033956736. Its totient is φ = 148773273600.

The previous prime is 489554995967. The next prime is 489554995973. The reversal of 489554995968 is 869599455984.

489554995968 is a `hidden beast` number, since 4 + 8 + 9 + 5 + 549 + 9 + 5 + 9 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (489554995967) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185929180 + ... + 185931812.

It is an arithmetic number, because the mean of its divisors is an integer number (3569523048).

Almost surely, 2^489554995968 is an apocalyptic number.

489554995968 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 489554995968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771016978368).

489554995968 is an abundant number, since it is smaller than the sum of its proper divisors (1052478960768).

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

489554995968 is a wasteful number, since it uses less digits than its factorization.

489554995968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820 (or 2803 counting only the distinct ones).

The product of its digits is 5038848000, while the sum is 81.

The spelling of 489554995968 in words is "four hundred eighty-nine billion, five hundred fifty-four million, nine hundred ninety-five thousand, nine hundred sixty-eight".