504213450 has 192 divisors, whose sum is σ = 1466572800. Its totient is φ = 113529600.

The previous prime is 504213443. The next prime is 504213499. The reversal of 504213450 is 54312405.

It is a self number, because there is not a number n which added to its sum of digits gives 504213450.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 1148331 + ... + 1148769.

It is an arithmetic number, because the mean of its divisors is an integer number (7638400).

Almost surely, 2^504213450 is an apocalyptic number.

504213450 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 504213450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733286400).

504213450 is an abundant number, since it is smaller than the sum of its proper divisors (962359350).

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

504213450 is a wasteful number, since it uses less digits than its factorization.

504213450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 504213450 is about 22454.6977267564. The cubic root of 504213450 is about 795.9237709296.

Adding to 504213450 its reverse (54312405), we get a palindrome (558525855).

The spelling of 504213450 in words is "five hundred four million, two hundred thirteen thousand, four hundred fifty".