489949544 has 32 divisors (see below), whose sum is σ = 1083763200. Its totient is φ = 203204160.

The previous prime is 489949507. The next prime is 489949601. The reversal of 489949544 is 445949984.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a self number, because there is not a number n which added to its sum of digits gives 489949544.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139379 + ... + 142850.

It is an arithmetic number, because the mean of its divisors is an integer number (33867600).

Almost surely, 2^489949544 is an apocalyptic number.

It is an amenable number.

489949544 is an abundant number, since it is smaller than the sum of its proper divisors (593813656).

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

489949544 is a wasteful number, since it uses less digits than its factorization.

489949544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282273 (or 282269 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 56.

The square root of 489949544 is about 22134.8039069697. The cubic root of 489949544 is about 788.3464553993.

The spelling of 489949544 in words is "four hundred eighty-nine million, nine hundred forty-nine thousand, five hundred forty-four".