488705664 has 128 divisors (see below), whose sum is σ = 1407257280. Its totient is φ = 149667840.

The previous prime is 488705629. The next prime is 488705683. The reversal of 488705664 is 466507884.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279834 + ... + 281574.

Almost surely, 2^488705664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 488705664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703628640).

488705664 is an abundant number, since it is smaller than the sum of its proper divisors (918551616).

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

488705664 is a wasteful number, since it uses less digits than its factorization.

488705664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818 (or 1806 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The square root of 488705664 is about 22106.6882187269. The cubic root of 488705664 is about 787.6787407832.

The spelling of 488705664 in words is "four hundred eighty-eight million, seven hundred five thousand, six hundred sixty-four".