489444850 has 12 divisors (see below), whose sum is σ = 910367514. Its totient is φ = 195777920.

The previous prime is 489444817. The next prime is 489444859. The reversal of 489444850 is 58444984.

It can be written as a sum of positive squares in 3 ways, for example, as 317231721 + 172213129 = 17811^2 + 13123^2 .

It is a super-2 number, since 2×489444850² = 479112522383045000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 489444850.

It is not an unprimeable number, because it can be changed into a prime (489444859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4894399 + ... + 4894498.

Almost surely, 2^489444850 is an apocalyptic number.

489444850 is a deficient number, since it is larger than the sum of its proper divisors (420922664).

489444850 is a wasteful number, since it uses less digits than its factorization.

489444850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9788909 (or 9788904 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The square root of 489444850 is about 22123.4005071553. The cubic root of 489444850 is about 788.0756721286.

The spelling of 489444850 in words is "four hundred eighty-nine million, four hundred forty-four thousand, eight hundred fifty".