489982064 has 80 divisors (see below), whose sum is σ = 1163925504. Its totient is φ = 196627200.

The previous prime is 489982061. The next prime is 489982069. The reversal of 489982064 is 460289984.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489982061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47969 + ... + 57279.

Almost surely, 2^489982064 is an apocalyptic number.

489982064 is a gapful number since it is divisible by the number (44) 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 489982064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581962752).

489982064 is an abundant number, since it is smaller than the sum of its proper divisors (673943440).

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

489982064 is a wasteful number, since it uses less digits than its factorization.

489982064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9366 (or 9360 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 489982064 is about 22135.5384845275. The cubic root of 489982064 is about 788.3638969636.

The spelling of 489982064 in words is "four hundred eighty-nine million, nine hundred eighty-two thousand, sixty-four".