444402401 has 2 divisors, whose sum is σ = 444402402. Its totient is φ = 444402400.

The previous prime is 444402397. The next prime is 444402407. The reversal of 444402401 is 104204444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375429376 + 68973025 = 19376^2 + 8305^2 .

It is a cyclic number.

It is not a de Polignac number, because 444402401 - 2² = 444402397 is a prime.

It is not a weakly prime, because it can be changed into another prime (444402407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222201200 + 222201201.

It is an arithmetic number, because the mean of its divisors is an integer number (222201201).

Almost surely, 2^444402401 is an apocalyptic number.

It is an amenable number.

444402401 is a deficient number, since it is larger than the sum of its proper divisors (1).

444402401 is an equidigital number, since it uses as much as digits as its factorization.

444402401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 444402401 is about 21080.8538963677. The cubic root of 444402401 is about 763.1187637452.

Adding to 444402401 its reverse (104204444), we get a palindrome (548606845).

The spelling of 444402401 in words is "four hundred forty-four million, four hundred two thousand, four hundred one".