4000322530 has 16 divisors (see below), whose sum is σ = 7624144440. Its totient is φ = 1506003712.

The previous prime is 4000322519. The next prime is 4000322539. The reversal of 4000322530 is 352230004.

4000322530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3696761601 + 303560929 = 60801^2 + 17423^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4000322498 and 4000322507.

It is not an unprimeable number, because it can be changed into a prime (4000322539) 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, 11765485 + ... + 11765824.

Almost surely, 2^4000322530 is an apocalyptic number.

4000322530 is a deficient number, since it is larger than the sum of its proper divisors (3623821910).

4000322530 is a wasteful number, since it uses less digits than its factorization.

4000322530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23531333.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 4000322530 is about 63248.1029755043. The cubic root of 4000322530 is about 1587.4437161933.

Adding to 4000322530 its reverse (352230004), we get a palindrome (4352552534).

The spelling of 4000322530 in words is "four billion, three hundred twenty-two thousand, five hundred thirty".