489660250 has 16 divisors (see below), whose sum is σ = 916644456. Its totient is φ = 195864000.

The previous prime is 489660247. The next prime is 489660251. The reversal of 489660250 is 52066984.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18292729 + 471367521 = 4277^2 + 21711^2 .

It is not an unprimeable number, because it can be changed into a prime (489660251) 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 7 ways as a sum of consecutive naturals, for example, 979071 + ... + 979570.

Almost surely, 2^489660250 is an apocalyptic number.

489660250 is a deficient number, since it is larger than the sum of its proper divisors (426984206).

489660250 is a wasteful number, since it uses less digits than its factorization.

489660250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958658 (or 1958648 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 489660250 is about 22128.2681202122. The cubic root of 489660250 is about 788.1912633635.

The spelling of 489660250 in words is "four hundred eighty-nine million, six hundred sixty thousand, two hundred fifty".