485871800 has 96 divisors (see below), whose sum is σ = 1230390000. Its totient is φ = 177730560.

The previous prime is 485871797. The next prime is 485871811. The reversal of 485871800 is 8178584.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107996 + ... + 112404.

Almost surely, 2^485871800 is an apocalyptic number.

485871800 is a gapful number since it is divisible by the number (40) 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 485871800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615195000).

485871800 is an abundant number, since it is smaller than the sum of its proper divisors (744518200).

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

485871800 is a wasteful number, since it uses less digits than its factorization.

485871800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473 (or 4464 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 485871800 is about 22042.4998582284. The cubic root of 485871800 is about 786.1532806920.

The spelling of 485871800 in words is "four hundred eighty-five million, eight hundred seventy-one thousand, eight hundred".