2440404205 has 4 divisors (see below), whose sum is σ = 2928485052. Its totient is φ = 1952323360.

The previous prime is 2440404199. The next prime is 2440404209. The reversal of 2440404205 is 5024040442.

It is a happy number.

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 1194808356 + 1245595849 = 34566^2 + 35293^2 .

It is not a de Polignac number, because 2440404205 - 2²⁹ = 1903533293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2440404205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440404209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244040416 + ... + 244040425.

It is an arithmetic number, because the mean of its divisors is an integer number (732121263).

Almost surely, 2^2440404205 is an apocalyptic number.

It is an amenable number.

2440404205 is a deficient number, since it is larger than the sum of its proper divisors (488080847).

2440404205 is an equidigital number, since it uses as much as digits as its factorization.

2440404205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488080846.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2440404205 is about 49400.4474170022. The cubic root of 2440404205 is about 1346.3374350037.

Adding to 2440404205 its reverse (5024040442), we get a palindrome (7464444647).

The spelling of 2440404205 in words is "two billion, four hundred forty million, four hundred four thousand, two hundred five".