505230444 has 72 divisors (see below), whose sum is σ = 1352682240. Its totient is φ = 158555232.

The previous prime is 505230419. The next prime is 505230461. The reversal of 505230444 is 444032505.

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, 112017 + ... + 116439.

Almost surely, 2^505230444 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 505230444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676341120).

505230444 is an abundant number, since it is smaller than the sum of its proper divisors (847451796).

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

505230444 is a wasteful number, since it uses less digits than its factorization.

505230444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619 (or 4614 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 505230444 is about 22477.3317811523. The cubic root of 505230444 is about 796.4585352515.

Adding to 505230444 its reverse (444032505), we get a palindrome (949262949).

The spelling of 505230444 in words is "five hundred five million, two hundred thirty thousand, four hundred forty-four".