489539520 has 336 divisors, whose sum is σ = 1778325120. Its totient is φ = 123475968.

The previous prime is 489539473. The next prime is 489539543. The reversal of 489539520 is 25935984.

489539520 is a `hidden beast` number, since 4 + 8 + 95 + 39 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7306527 + ... + 7306593.

Almost surely, 2^489539520 is an apocalyptic number.

489539520 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 489539520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (889162560).

489539520 is an abundant number, since it is smaller than the sum of its proper divisors (1288785600).

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

489539520 is a wasteful number, since it uses less digits than its factorization.

489539520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 489539520 is about 22125.5399934103. The cubic root of 489539520 is about 788.1264795649.

The spelling of 489539520 in words is "four hundred eighty-nine million, five hundred thirty-nine thousand, five hundred twenty".