489464140 has 24 divisors (see below), whose sum is σ = 1121318352. Its totient is φ = 177986880.

The previous prime is 489464123. The next prime is 489464161. The reversal of 489464140 is 41464984.

It is a junction number, because it is equal to n+sod(n) for n = 489464093 and 489464102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112199 + ... + 1112638.

It is an arithmetic number, because the mean of its divisors is an integer number (46721598).

Almost surely, 2^489464140 is an apocalyptic number.

It is an amenable number.

489464140 is an abundant number, since it is smaller than the sum of its proper divisors (631854212).

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

489464140 is a wasteful number, since it uses less digits than its factorization.

489464140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224857 (or 2224855 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 489464140 is about 22123.8364665806. The cubic root of 489464140 is about 788.0860252052.

The spelling of 489464140 in words is "four hundred eighty-nine million, four hundred sixty-four thousand, one hundred forty".