489393816888 has 32 divisors (see below), whose sum is σ = 1225657728000. Its totient is φ = 162841514208.

The previous prime is 489393816869. The next prime is 489393816949. The reversal of 489393816888 is 888618393984.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 18096088 + ... + 18123111.

It is an arithmetic number, because the mean of its divisors is an integer number (38301804000).

Almost surely, 2^489393816888 is an apocalyptic number.

It is an amenable number.

489393816888 is an abundant number, since it is smaller than the sum of its proper divisors (736263911112).

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

489393816888 is a wasteful number, since it uses less digits than its factorization.

489393816888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36219771 (or 36219767 counting only the distinct ones).

The product of its digits is 573308928, while the sum is 75.

The spelling of 489393816888 in words is "four hundred eighty-nine billion, three hundred ninety-three million, eight hundred sixteen thousand, eight hundred eighty-eight".