489212520 has 64 divisors (see below), whose sum is σ = 1507317120. Its totient is φ = 126929664.

The previous prime is 489212501. The next prime is 489212527. The reversal of 489212520 is 25212984.

It is not an unprimeable number, because it can be changed into a prime (489212527) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 50652 + ... + 59531.

It is an arithmetic number, because the mean of its divisors is an integer number (23551830).

Almost surely, 2^489212520 is an apocalyptic number.

489212520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489212520 is an abundant number, since it is smaller than the sum of its proper divisors (1018104600).

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

489212520 is a wasteful number, since it uses less digits than its factorization.

489212520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110234 (or 110230 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 489212520 is about 22118.1491088201. The cubic root of 489212520 is about 787.9509576357.

The spelling of 489212520 in words is "four hundred eighty-nine million, two hundred twelve thousand, five hundred twenty".