444321401 has 16 divisors (see below), whose sum is σ = 477804096. Its totient is φ = 411703296.

The previous prime is 444321373. The next prime is 444321431. The reversal of 444321401 is 104123444.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 444321401 - 2¹⁸ = 444059257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (444321431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373730 + ... + 374916.

It is an arithmetic number, because the mean of its divisors is an integer number (29862756).

Almost surely, 2^444321401 is an apocalyptic number.

It is an amenable number.

444321401 is a deficient number, since it is larger than the sum of its proper divisors (33482695).

444321401 is a wasteful number, since it uses less digits than its factorization.

444321401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 444321401 is about 21078.9326342678. The cubic root of 444321401 is about 763.0723970773.

Adding to 444321401 its reverse (104123444), we get a palindrome (548444845).

The spelling of 444321401 in words is "four hundred forty-four million, three hundred twenty-one thousand, four hundred one".