488821664 has 48 divisors (see below), whose sum is σ = 1025942400. Its totient is φ = 228593664.

The previous prime is 488821649. The next prime is 488821769. The reversal of 488821664 is 466128884.

It is a happy number.

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, 42944 + ... + 53120.

It is an arithmetic number, because the mean of its divisors is an integer number (21373800).

Almost surely, 2^488821664 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 488821664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512971200).

488821664 is an abundant number, since it is smaller than the sum of its proper divisors (537120736).

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

488821664 is a wasteful number, since it uses less digits than its factorization.

488821664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10285 (or 10277 counting only the distinct ones).

The product of its digits is 589824, while the sum is 47.

The square root of 488821664 is about 22109.3117034430. The cubic root of 488821664 is about 787.7410574374.

The spelling of 488821664 in words is "four hundred eighty-eight million, eight hundred twenty-one thousand, six hundred sixty-four".