488985660 has 60 divisors (see below), whose sum is σ = 1533971208. Its totient is φ = 130395744.

The previous prime is 488985659. The next prime is 488985689. The reversal of 488985660 is 66589884.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 488985597 and 488985606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 149302 + ... + 152541.

Almost surely, 2^488985660 is an apocalyptic number.

It is an amenable number.

488985660 is an abundant number, since it is smaller than the sum of its proper divisors (1044985548).

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

488985660 is a wasteful number, since it uses less digits than its factorization.

488985660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301864 (or 301853 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 488985660 is about 22113.0201465110. The cubic root of 488985660 is about 787.8291413254.

The spelling of 488985660 in words is "four hundred eighty-eight million, nine hundred eighty-five thousand, six hundred sixty".