500325640 has 128 divisors (see below), whose sum is σ = 1241982720. Its totient is φ = 180633600.

The previous prime is 500325629. The next prime is 500325641. The reversal of 500325640 is 46523005.

It is not an unprimeable number, because it can be changed into a prime (500325641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2075920 + ... + 2076160.

It is an arithmetic number, because the mean of its divisors is an integer number (9702990).

Almost surely, 2^500325640 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 500325640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620991360).

500325640 is an abundant number, since it is smaller than the sum of its proper divisors (741657080).

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

500325640 is a wasteful number, since it uses less digits than its factorization.

500325640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 500325640 is about 22367.9601215667. The cubic root of 500325640 is about 793.8727956838.

Adding to 500325640 its reverse (46523005), we get a palindrome (546848645).

The spelling of 500325640 in words is "five hundred million, three hundred twenty-five thousand, six hundred forty".