489957183660 has 96 divisors (see below), whose sum is σ = 1580208537600. Its totient is φ = 111108388608.

The previous prime is 489957183647. The next prime is 489957183763. The reversal of 489957183660 is 66381759984.

It is a junction number, because it is equal to n+sod(n) for n = 489957183591 and 489957183600.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4539435 + ... + 4646114.

It is an arithmetic number, because the mean of its divisors is an integer number (16460505600).

Almost surely, 2^489957183660 is an apocalyptic number.

It is an amenable number.

489957183660 is an abundant number, since it is smaller than the sum of its proper divisors (1090251353940).

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

489957183660 is a wasteful number, since it uses less digits than its factorization.

489957183660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9185695 (or 9185693 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 489957183660 in words is "four hundred eighty-nine billion, nine hundred fifty-seven million, one hundred eighty-three thousand, six hundred sixty".