489351456 has 168 divisors, whose sum is σ = 1576595664. Its totient is φ = 148210560.

The previous prime is 489351449. The next prime is 489351463. The reversal of 489351456 is 654153984.

489351456 is a `hidden beast` number, since 4 + 89 + 3 + 514 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (489351449) and next prime (489351463).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 255655 + ... + 257561.

It is an arithmetic number, because the mean of its divisors is an integer number (9384498).

Almost surely, 2^489351456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489351456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788297832).

489351456 is an abundant number, since it is smaller than the sum of its proper divisors (1087244208).

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

489351456 is a wasteful number, since it uses less digits than its factorization.

489351456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946 (or 1923 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 489351456 is about 22121.2896549907. The cubic root of 489351456 is about 788.0255430751.

The spelling of 489351456 in words is "four hundred eighty-nine million, three hundred fifty-one thousand, four hundred fifty-six".