489842040 has 128 divisors (see below), whose sum is σ = 1614297600. Its totient is φ = 118356480.

The previous prime is 489842033. The next prime is 489842051. The reversal of 489842040 is 40248984.

It is a self number, because there is not a number n which added to its sum of digits gives 489842040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47770 + ... + 57110.

It is an arithmetic number, because the mean of its divisors is an integer number (12611700).

Almost surely, 2^489842040 is an apocalyptic number.

489842040 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 489842040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807148800).

489842040 is an abundant number, since it is smaller than the sum of its proper divisors (1124455560).

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

489842040 is a wasteful number, since it uses less digits than its factorization.

489842040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9397 (or 9393 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 489842040 is about 22132.3753808759. The cubic root of 489842040 is about 788.2887919128.

The spelling of 489842040 in words is "four hundred eighty-nine million, eight hundred forty-two thousand, forty".