501485800 has 48 divisors (see below), whose sum is σ = 1173183840. Its totient is φ = 199350720.

The previous prime is 501485779. The next prime is 501485833. The reversal of 501485800 is 8584105.

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 11 ways as a sum of consecutive naturals, for example, 24909 + ... + 40291.

It is an arithmetic number, because the mean of its divisors is an integer number (24441330).

Almost surely, 2^501485800 is an apocalyptic number.

501485800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501485800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586591920).

501485800 is an abundant number, since it is smaller than the sum of its proper divisors (671698040).

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

501485800 is a wasteful number, since it uses less digits than its factorization.

501485800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15562 (or 15553 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 501485800 is about 22393.8786278751. The cubic root of 501485800 is about 794.4859353506.

The spelling of 501485800 in words is "five hundred one million, four hundred eighty-five thousand, eight hundred".