2805530530 has 64 divisors (see below), whose sum is σ = 5648123520. Its totient is φ = 994752000.

The previous prime is 2805530509. The next prime is 2805530531. The reversal of 2805530530 is 350355082.

It is a junction number, because it is equal to n+sod(n) for n = 2805530492 and 2805530501.

It is not an unprimeable number, because it can be changed into a prime (2805530531) by changing a digit.

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, 742486 + ... + 746254.

It is an arithmetic number, because the mean of its divisors is an integer number (88251930).

Almost surely, 2^2805530530 is an apocalyptic number.

2805530530 is an abundant number, since it is smaller than the sum of its proper divisors (2842592990).

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

2805530530 is a wasteful number, since it uses less digits than its factorization.

2805530530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2805530530 is about 52967.2590380133. The cubic root of 2805530530 is about 1410.3871193649.

It can be divided in two parts, 28055 and 30530, that added together give a palindrome (58585).

The spelling of 2805530530 in words is "two billion, eight hundred five million, five hundred thirty thousand, five hundred thirty".