2505404930 has 16 divisors (see below), whose sum is σ = 5153976000. Its totient is φ = 858995952.

The previous prime is 2505404929. The next prime is 2505404947. The reversal of 2505404930 is 394045052.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17895680 + ... + 17895819.

It is an arithmetic number, because the mean of its divisors is an integer number (322123500).

Almost surely, 2^2505404930 is an apocalyptic number.

2505404930 is an abundant number, since it is smaller than the sum of its proper divisors (2648571070).

2505404930 is a wasteful number, since it uses less digits than its factorization.

2505404930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35791513.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2505404930 is about 50054.0201182682. The cubic root of 2505404930 is about 1358.1861867611.

Adding to 2505404930 its reverse (394045052), we get a palindrome (2899449982).

The spelling of 2505404930 in words is "two billion, five hundred five million, four hundred four thousand, nine hundred thirty".