1344404401 has 2 divisors, whose sum is σ = 1344404402. Its totient is φ = 1344404400.

The previous prime is 1344404393. The next prime is 1344404407. The reversal of 1344404401 is 1044044431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1339560000 + 4844401 = 36600^2 + 2201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344404401 - 2³ = 1344404393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344404407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672202200 + 672202201.

It is an arithmetic number, because the mean of its divisors is an integer number (672202201).

Almost surely, 2^1344404401 is an apocalyptic number.

It is an amenable number.

1344404401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344404401 is an equidigital number, since it uses as much as digits as its factorization.

1344404401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1344404401 is about 36666.1206156310. The cubic root of 1344404401 is about 1103.6803451369.

Adding to 1344404401 its reverse (1044044431), we get a palindrome (2388448832).

The spelling of 1344404401 in words is "one billion, three hundred forty-four million, four hundred four thousand, four hundred one".