2550440245 has 4 divisors (see below), whose sum is σ = 3060528300. Its totient is φ = 2040352192.

The previous prime is 2550440227. The next prime is 2550440257. The reversal of 2550440245 is 5420440552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 978000529 + 1572439716 = 31273^2 + 39654^2 .

It is a cyclic number.

It is not a de Polignac number, because 2550440245 - 2⁵ = 2550440213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255044020 + ... + 255044029.

It is an arithmetic number, because the mean of its divisors is an integer number (765132075).

Almost surely, 2^2550440245 is an apocalyptic number.

It is an amenable number.

2550440245 is a deficient number, since it is larger than the sum of its proper divisors (510088055).

2550440245 is an equidigital number, since it uses as much as digits as its factorization.

2550440245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510088054.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 2550440245 is about 50501.8835787340. The cubic root of 2550440245 is about 1366.2758259401.

Adding to 2550440245 its reverse (5420440552), we get a palindrome (7970880797).

The spelling of 2550440245 in words is "two billion, five hundred fifty million, four hundred forty thousand, two hundred forty-five".