530450320 has 80 divisors (see below), whose sum is σ = 1319634288. Its totient is φ = 197591040.

The previous prime is 530450299. The next prime is 530450321. The reversal of 530450320 is 23054035.

It can be written as a sum of positive squares in 8 ways, for example, as 24920064 + 505530256 = 4992^2 + 22484^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 530450291 and 530450300.

It is not an unprimeable number, because it can be changed into a prime (530450321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129910 + ... + 133930.

Almost surely, 2^530450320 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 530450320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659817144).

530450320 is an abundant number, since it is smaller than the sum of its proper divisors (789183968).

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

530450320 is a wasteful number, since it uses less digits than its factorization.

530450320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148 (or 4142 counting only the distinct ones).

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

The square root of 530450320 is about 23031.5071152541. The cubic root of 530450320 is about 809.4963693407.

The spelling of 530450320 in words is "five hundred thirty million, four hundred fifty thousand, three hundred twenty".