488403666 has 48 divisors (see below), whose sum is σ = 1109294784. Its totient is φ = 155007072.

The previous prime is 488403661. The next prime is 488403679. The reversal of 488403666 is 666304884.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (488403661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91380 + ... + 96576.

It is an arithmetic number, because the mean of its divisors is an integer number (23110308).

Almost surely, 2^488403666 is an apocalyptic number.

488403666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 488403666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554647392).

488403666 is an abundant number, since it is smaller than the sum of its proper divisors (620891118).

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

488403666 is a wasteful number, since it uses less digits than its factorization.

488403666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455 (or 5452 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 488403666 is about 22099.8566963680. The cubic root of 488403666 is about 787.5164574036.

The spelling of 488403666 in words is "four hundred eighty-eight million, four hundred three thousand, six hundred sixty-six".