502805000 has 80 divisors (see below), whose sum is σ = 1185932880. Its totient is φ = 199784000.

The previous prime is 502804997. The next prime is 502805003. The reversal of 502805000 is 508205.

It is an interprime number because it is at equal distance from previous prime (502804997) and next prime (502805003).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (502805003) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1134779 + ... + 1135221.

It is an arithmetic number, because the mean of its divisors is an integer number (14824161).

Almost surely, 2^502805000 is an apocalyptic number.

502805000 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 502805000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592966440).

502805000 is an abundant number, since it is smaller than the sum of its proper divisors (683127880).

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

502805000 is a wasteful number, since it uses less digits than its factorization.

502805000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 502805000 is about 22423.3137604592. The cubic root of 502805000 is about 795.1819790944.

The spelling of 502805000 in words is "five hundred two million, eight hundred five thousand".