489645050 has 48 divisors (see below), whose sum is σ = 990438840. Its totient is φ = 179343360.

The previous prime is 489645047. The next prime is 489645059. The reversal of 489645050 is 50546984.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 139169209 + 350475841 = 11797^2 + 18721^2 .

It is a junction number, because it is equal to n+sod(n) for n = 489644989 and 489645007.

It is not an unprimeable number, because it can be changed into a prime (489645059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23666 + ... + 39234.

Almost surely, 2^489645050 is an apocalyptic number.

489645050 is an abundant number, since it is smaller than the sum of its proper divisors (500793790).

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

489645050 is a wasteful number, since it uses less digits than its factorization.

489645050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15635 (or 15630 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 489645050 is about 22127.9246654538. The cubic root of 489645050 is about 788.1831076193.

The spelling of 489645050 in words is "four hundred eighty-nine million, six hundred forty-five thousand, fifty".