530320450000 has 120 divisors (see below), whose sum is σ = 1401042515040. Its totient is φ = 192843600000.

The previous prime is 530320449983. The next prime is 530320450007. The reversal of 530320450000 is 54023035.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530320450007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67891 + ... + 1032109.

It is an arithmetic number, because the mean of its divisors is an integer number (11675354292).

Almost surely, 2^530320450000 is an apocalyptic number.

530320450000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530320450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700521257520).

530320450000 is an abundant number, since it is smaller than the sum of its proper divisors (870722065040).

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

530320450000 is an equidigital number, since it uses as much as digits as its factorization.

530320450000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964263 (or 964237 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

Adding to 530320450000 its reverse (54023035), we get a palindrome (530374473035).

The spelling of 530320450000 in words is "five hundred thirty billion, three hundred twenty million, four hundred fifty thousand".