530021444 has 48 divisors (see below), whose sum is σ = 1007935488. Its totient is φ = 242915328.

The previous prime is 530021431. The next prime is 530021561. The reversal of 530021444 is 444120035.

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 15 ways as a sum of consecutive naturals, for example, 1223852 + ... + 1224284.

It is an arithmetic number, because the mean of its divisors is an integer number (20998656).

Almost surely, 2^530021444 is an apocalyptic number.

It is an amenable number.

530021444 is a deficient number, since it is larger than the sum of its proper divisors (477914044).

530021444 is a wasteful number, since it uses less digits than its factorization.

530021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 530021444 is about 23022.1945956505. The cubic root of 530021444 is about 809.2781477287.

Adding to 530021444 its reverse (444120035), we get a palindrome (974141479).

The spelling of 530021444 in words is "five hundred thirty million, twenty-one thousand, four hundred forty-four".