2444400404 has 6 divisors (see below), whose sum is σ = 4277700714. Its totient is φ = 1222200200.

The previous prime is 2444400389. The next prime is 2444400419. The reversal of 2444400404 is 4040044442.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2444400389) and next prime (2444400419).

It can be written as a sum of positive squares in only one way, i.e., 2384368900 + 60031504 = 48830^2 + 7748^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305550047 + ... + 305550054.

It is an arithmetic number, because the mean of its divisors is an integer number (712950119).

Almost surely, 2^2444400404 is an apocalyptic number.

It is an amenable number.

2444400404 is a deficient number, since it is larger than the sum of its proper divisors (1833300310).

2444400404 is a wasteful number, since it uses less digits than its factorization.

2444400404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611100105 (or 611100103 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 2444400404 is about 49440.8778643745. The cubic root of 2444400404 is about 1347.0719169161.

Adding to 2444400404 its reverse (4040044442), we get a palindrome (6484444846).

The spelling of 2444400404 in words is "two billion, four hundred forty-four million, four hundred thousand, four hundred four".