500505450 has 96 divisors (see below), whose sum is σ = 1286167680. Its totient is φ = 128716800.

The previous prime is 500505433. The next prime is 500505457. The reversal of 500505450 is 54505005.

It is a self number, because there is not a number n which added to its sum of digits gives 500505450.

It is not an unprimeable number, because it can be changed into a prime (500505457) 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 47 ways as a sum of consecutive naturals, for example, 596131 + ... + 596969.

It is an arithmetic number, because the mean of its divisors is an integer number (13397580).

Almost surely, 2^500505450 is an apocalyptic number.

500505450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 500505450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643083840).

500505450 is an abundant number, since it is smaller than the sum of its proper divisors (785662230).

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

500505450 is a wasteful number, since it uses less digits than its factorization.

500505450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 500505450 is about 22371.9791256831. The cubic root of 500505450 is about 793.9678865333.

The spelling of 500505450 in words is "five hundred million, five hundred five thousand, four hundred fifty".