488644868 has 12 divisors (see below), whose sum is σ = 863595852. Its totient is φ = 241903200.

The previous prime is 488644861. The next prime is 488644939. The reversal of 488644868 is 868446884.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 222367744 + 266277124 = 14912^2 + 16318^2 .

It is not an unprimeable number, because it can be changed into a prime (488644861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604355 + ... + 605162.

It is an arithmetic number, because the mean of its divisors is an integer number (71966321).

Almost surely, 2^488644868 is an apocalyptic number.

It is an amenable number.

488644868 is a deficient number, since it is larger than the sum of its proper divisors (374950984).

488644868 is a wasteful number, since it uses less digits than its factorization.

488644868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209622 (or 1209620 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 56.

The square root of 488644868 is about 22105.3131169862. The cubic root of 488644868 is about 787.6460764714.

The spelling of 488644868 in words is "four hundred eighty-eight million, six hundred forty-four thousand, eight hundred sixty-eight".