489808650240 has 1792 divisors, whose sum is σ = 2226536202240. Its totient is φ = 99373547520.

The previous prime is 489808650181. The next prime is 489808650241. The reversal of 489808650240 is 42056808984.

489808650240 is a `hidden beast` number, since 4 + 8 + 98 + 0 + 8 + 6 + 502 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (1792).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489808650241) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3119800242 + ... + 3119800398.

It is an arithmetic number, because the mean of its divisors is an integer number (1242486720).

Almost surely, 2^489808650240 is an apocalyptic number.

489808650240 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 489808650240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1113268101120).

489808650240 is an abundant number, since it is smaller than the sum of its proper divisors (1736727552000).

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

489808650240 is a wasteful number, since it uses less digits than its factorization.

489808650240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 489808650240 in words is "four hundred eighty-nine billion, eight hundred eight million, six hundred fifty thousand, two hundred forty".