489392242902 has 80 divisors (see below), whose sum is σ = 1117784448000. Its totient is φ = 159992394480.

The previous prime is 489392242883. The next prime is 489392242909. The reversal of 489392242902 is 209242293984.

489392242902 is a `hidden beast` number, since 4 + 8 + 9 + 392 + 242 + 9 + 0 + 2 = 666.

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 (489392242909) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 4060099 + ... + 4178897.

It is an arithmetic number, because the mean of its divisors is an integer number (13972305600).

Almost surely, 2^489392242902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489392242902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558892224000).

489392242902 is an abundant number, since it is smaller than the sum of its proper divisors (628392205098).

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

489392242902 is a wasteful number, since it uses less digits than its factorization.

489392242902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119303 (or 119294 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 489392242902 in words is "four hundred eighty-nine billion, three hundred ninety-two million, two hundred forty-two thousand, nine hundred two".