2404402013 has 4 divisors (see below), whose sum is σ = 2589356028. Its totient is φ = 2219448000.

The previous prime is 2404402003. The next prime is 2404402097. The reversal of 2404402013 is 3102044042.

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 1357038244 + 1047363769 = 36838^2 + 32363^2 .

It is a cyclic number.

It is not a de Polignac number, because 2404402013 - 2⁴ = 2404401997 is a prime.

It is a super-2 number, since 2×2404402013² = 11562298080236904338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2404402003) 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, 92476988 + ... + 92477013.

It is an arithmetic number, because the mean of its divisors is an integer number (647339007).

Almost surely, 2^2404402013 is an apocalyptic number.

It is an amenable number.

2404402013 is a deficient number, since it is larger than the sum of its proper divisors (184954015).

2404402013 is a wasteful number, since it uses less digits than its factorization.

2404402013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184954014.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2404402013 is about 49034.7021302261. The cubic root of 2404402013 is about 1339.6839703600.

Adding to 2404402013 its reverse (3102044042), we get a palindrome (5506446055).

The spelling of 2404402013 in words is "two billion, four hundred four million, four hundred two thousand, thirteen".