530320221552 has 160 divisors (see below), whose sum is σ = 1585589944320. Its totient is φ = 151045896960.

The previous prime is 530320221511. The next prime is 530320221553. The reversal of 530320221552 is 255122023035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530320221553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1065943 + ... + 1482185.

It is an arithmetic number, because the mean of its divisors is an integer number (9909937152).

Almost surely, 2^530320221552 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 530320221552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792794972160).

530320221552 is an abundant number, since it is smaller than the sum of its proper divisors (1055269722768).

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

530320221552 is a wasteful number, since it uses less digits than its factorization.

530320221552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416411 (or 416405 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 530320221552 its reverse (255122023035), we get a palindrome (785442244587).

The spelling of 530320221552 in words is "five hundred thirty billion, three hundred twenty million, two hundred twenty-one thousand, five hundred fifty-two".