489978048 has 84 divisors (see below), whose sum is σ = 1508086392. Its totient is φ = 139991040.

The previous prime is 489978043. The next prime is 489978079. The reversal of 489978048 is 840879984.

It is a tau number, because it is divible by the number of its divisors (84).

It is not an unprimeable number, because it can be changed into a prime (489978043) 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 11 ways as a sum of consecutive naturals, for example, 16633 + ... + 35448.

Almost surely, 2^489978048 is an apocalyptic number.

489978048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

489978048 is an abundant number, since it is smaller than the sum of its proper divisors (1018108344).

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

489978048 is a wasteful number, since it uses less digits than its factorization.

489978048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52110 (or 52093 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 489978048 is about 22135.4477704880. The cubic root of 489978048 is about 788.3617430902.

The spelling of 489978048 in words is "four hundred eighty-nine million, nine hundred seventy-eight thousand, forty-eight".