489704180844 has 24 divisors (see below), whose sum is σ = 1142704403568. Its totient is φ = 163225967680.

The previous prime is 489704180843. The next prime is 489704180857. The reversal of 489704180844 is 448081407984.

It is not an unprimeable number, because it can be changed into a prime (489704180843) 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, 859947 + ... + 1311074.

It is an arithmetic number, because the mean of its divisors is an integer number (47612683482).

Almost surely, 2^489704180844 is an apocalyptic number.

It is an amenable number.

489704180844 is an abundant number, since it is smaller than the sum of its proper divisors (653000222724).

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

489704180844 is a wasteful number, since it uses less digits than its factorization.

489704180844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189825 (or 2189823 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 57.

The spelling of 489704180844 in words is "four hundred eighty-nine billion, seven hundred four million, one hundred eighty thousand, eight hundred forty-four".