4005520530 has 64 divisors (see below), whose sum is σ = 11039155200. Its totient is φ = 919926720.

The previous prime is 4005520523. The next prime is 4005520577. The reversal of 4005520530 is 350255004.

It is a self number, because there is not a number n which added to its sum of digits gives 4005520530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313150 + ... + 325689.

It is an arithmetic number, because the mean of its divisors is an integer number (172486800).

Almost surely, 2^4005520530 is an apocalyptic number.

4005520530 is an abundant number, since it is smaller than the sum of its proper divisors (7033634670).

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

4005520530 is a wasteful number, since it uses less digits than its factorization.

4005520530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638879.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 4005520530 is about 63289.1817769830. The cubic root of 4005520530 is about 1588.1309908611.

Adding to 4005520530 its reverse (350255004), we get a palindrome (4355775534).

The spelling of 4005520530 in words is "four billion, five million, five hundred twenty thousand, five hundred thirty".