2404442405 has 4 divisors (see below), whose sum is σ = 2885330892. Its totient is φ = 1923553920.

The previous prime is 2404442393. The next prime is 2404442431. The reversal of 2404442405 is 5042444042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5042444042 = 2 ⋅2521222021.

It can be written as a sum of positive squares in 2 ways, for example, as 1714539649 + 689902756 = 41407^2 + 26266^2 .

It is not a de Polignac number, because 2404442405 - 2⁴ = 2404442389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240444236 + ... + 240444245.

It is an arithmetic number, because the mean of its divisors is an integer number (721332723).

Almost surely, 2^2404442405 is an apocalyptic number.

It is an amenable number.

2404442405 is a deficient number, since it is larger than the sum of its proper divisors (480888487).

2404442405 is an equidigital number, since it uses as much as digits as its factorization.

2404442405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480888486.

The product of its (nonzero) digits is 20480, while the sum is 29.

The square root of 2404442405 is about 49035.1140000714. The cubic root of 2404442405 is about 1339.6914721853.

Adding to 2404442405 its reverse (5042444042), we get a palindrome (7446886447).

The spelling of 2404442405 in words is "two billion, four hundred four million, four hundred forty-two thousand, four hundred five".