489996280 has 16 divisors (see below), whose sum is σ = 1102491720. Its totient is φ = 195998496.

The previous prime is 489996257. The next prime is 489996293. The reversal of 489996280 is 82699984.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6124914 + ... + 6124993.

Almost surely, 2^489996280 is an apocalyptic number.

489996280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489996280 is an abundant number, since it is smaller than the sum of its proper divisors (612495440).

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

489996280 is a wasteful number, since it uses less digits than its factorization.

489996280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12249918 (or 12249914 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The square root of 489996280 is about 22135.8595947842. The cubic root of 489996280 is about 788.3715212378.

The spelling of 489996280 in words is "four hundred eighty-nine million, nine hundred ninety-six thousand, two hundred eighty".