489049720 has 32 divisors (see below), whose sum is σ = 1130104800. Its totient is φ = 190332288.

The previous prime is 489049699. The next prime is 489049723. The reversal of 489049720 is 27940984.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489049723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163740 + ... + 166699.

It is an arithmetic number, because the mean of its divisors is an integer number (35315775).

Almost surely, 2^489049720 is an apocalyptic number.

489049720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489049720 is an abundant number, since it is smaller than the sum of its proper divisors (641055080).

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

489049720 is a wasteful number, since it uses less digits than its factorization.

489049720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330487 (or 330483 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 489049720 is about 22114.4685669812. The cubic root of 489049720 is about 787.8635432416.

The spelling of 489049720 in words is "four hundred eighty-nine million, forty-nine thousand, seven hundred twenty".