530640344 has 32 divisors (see below), whose sum is σ = 1081909920. Its totient is φ = 242528256.

The previous prime is 530640317. The next prime is 530640349. The reversal of 530640344 is 443046035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530640349) 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 7 ways as a sum of consecutive naturals, for example, 14057 + ... + 35480.

It is an arithmetic number, because the mean of its divisors is an integer number (33809685).

Almost surely, 2^530640344 is an apocalyptic number.

It is an amenable number.

530640344 is an abundant number, since it is smaller than the sum of its proper divisors (551269576).

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

530640344 is a wasteful number, since it uses less digits than its factorization.

530640344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49659 (or 49655 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 530640344 is about 23035.6320512375. The cubic root of 530640344 is about 809.5930201596.

Adding to 530640344 its reverse (443046035), we get a palindrome (973686379).

The spelling of 530640344 in words is "five hundred thirty million, six hundred forty thousand, three hundred forty-four".