500669988 has 192 divisors, whose sum is σ = 1542912000. Its totient is φ = 122674176.

The previous prime is 500669987. The next prime is 500669993. The reversal of 500669988 is 889966005.

It is a self number, because there is not a number n which added to its sum of digits gives 500669988.

It is not an unprimeable number, because it can be changed into a prime (500669987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1223928 + ... + 1224336.

It is an arithmetic number, because the mean of its divisors is an integer number (8036000).

Almost surely, 2^500669988 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 500669988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771456000).

500669988 is an abundant number, since it is smaller than the sum of its proper divisors (1042242012).

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

500669988 is a wasteful number, since it uses less digits than its factorization.

500669988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 500669988 is about 22375.6561468038. The cubic root of 500669988 is about 794.0548809741.

The spelling of 500669988 in words is "five hundred million, six hundred sixty-nine thousand, nine hundred eighty-eight".