489640152 has 32 divisors (see below), whose sum is σ = 1225126080. Its totient is φ = 163076640.

The previous prime is 489640121. The next prime is 489640153. The reversal of 489640152 is 251046984.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 489640152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489640153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23083 + ... + 38885.

It is an arithmetic number, because the mean of its divisors is an integer number (38285190).

Almost surely, 2^489640152 is an apocalyptic number.

It is an amenable number.

489640152 is an abundant number, since it is smaller than the sum of its proper divisors (735485928).

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

489640152 is a wasteful number, since it uses less digits than its factorization.

489640152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17103 (or 17099 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 489640152 is about 22127.8139905414. The cubic root of 489640152 is about 788.1804795021.

The spelling of 489640152 in words is "four hundred eighty-nine million, six hundred forty thousand, one hundred fifty-two".