488668640 has 24 divisors (see below), whose sum is σ = 1154480040. Its totient is φ = 195467392.

The previous prime is 488668633. The next prime is 488668667. The reversal of 488668640 is 46866884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526930 + ... + 1527249.

It is an arithmetic number, because the mean of its divisors is an integer number (48103335).

Almost surely, 2^488668640 is an apocalyptic number.

488668640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

488668640 is an abundant number, since it is smaller than the sum of its proper divisors (665811400).

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

488668640 is a wasteful number, since it uses less digits than its factorization.

488668640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054194 (or 3054186 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 50.

The square root of 488668640 is about 22105.8508092315. The cubic root of 488668640 is about 787.6588489503.

The spelling of 488668640 in words is "four hundred eighty-eight million, six hundred sixty-eight thousand, six hundred forty".