533247444 has 72 divisors (see below), whose sum is σ = 1373168160. Its totient is φ = 174451392.

The previous prime is 533247413. The next prime is 533247457. The reversal of 533247444 is 444742335.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 533247399 and 533247408.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 534354 + ... + 535350.

It is an arithmetic number, because the mean of its divisors is an integer number (19071780).

Almost surely, 2^533247444 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 533247444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686584080).

533247444 is an abundant number, since it is smaller than the sum of its proper divisors (839920716).

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

533247444 is a wasteful number, since it uses less digits than its factorization.

533247444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1264 counting only the distinct ones).

The product of its digits is 161280, while the sum is 36.

The square root of 533247444 is about 23092.1511340975. The cubic root of 533247444 is about 810.9167307165.

Adding to 533247444 its reverse (444742335), we get a palindrome (977989779).

The spelling of 533247444 in words is "five hundred thirty-three million, two hundred forty-seven thousand, four hundred forty-four".