489388283520 has 128 divisors (see below), whose sum is σ = 1642026600000. Its totient is φ = 123634925568.

The previous prime is 489388283519. The next prime is 489388283533. The reversal of 489388283520 is 25382883984.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6671145 + ... + 6744104.

Almost surely, 2^489388283520 is an apocalyptic number.

489388283520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489388283520 is an abundant number, since it is smaller than the sum of its proper divisors (1152638316480).

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

489388283520 is a wasteful number, since it uses less digits than its factorization.

489388283520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13415290 (or 13415278 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 60.

The spelling of 489388283520 in words is "four hundred eighty-nine billion, three hundred eighty-eight million, two hundred eighty-three thousand, five hundred twenty".