530001440 has 48 divisors (see below), whose sum is σ = 1261189440. Its totient is φ = 210466560.

The previous prime is 530001413. The next prime is 530001449. The reversal of 530001440 is 44100035.

It is not an unprimeable number, because it can be changed into a prime (530001449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10325 + ... + 34155.

It is an arithmetic number, because the mean of its divisors is an integer number (26274780).

Almost surely, 2^530001440 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 530001440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630594720).

530001440 is an abundant number, since it is smaller than the sum of its proper divisors (731188000).

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

530001440 is a wasteful number, since it uses less digits than its factorization.

530001440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23985 (or 23977 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 530001440 is about 23021.7601412229. The cubic root of 530001440 is about 809.2679663772.

Adding to 530001440 its reverse (44100035), we get a palindrome (574101475).

The spelling of 530001440 in words is "five hundred thirty million, one thousand, four hundred forty".