444431000401 has 4 divisors (see below), whose sum is σ = 444464578404. Its totient is φ = 444397422400.

The previous prime is 444431000399. The next prime is 444431000413. The reversal of 444431000401 is 104000134444.

It is a happy number.

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 339013898001 + 105417102400 = 582249^2 + 324680^2 .

It is a cyclic number.

It is not a de Polignac number, because 444431000401 - 2¹ = 444431000399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444431000201) 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, 16769140 + ... + 16795621.

It is an arithmetic number, because the mean of its divisors is an integer number (111116144601).

Almost surely, 2^444431000401 is an apocalyptic number.

It is an amenable number.

444431000401 is a deficient number, since it is larger than the sum of its proper divisors (33578003).

444431000401 is a wasteful number, since it uses less digits than its factorization.

444431000401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33578002.

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

Adding to 444431000401 its reverse (104000134444), we get a palindrome (548431134845).

The spelling of 444431000401 in words is "four hundred forty-four billion, four hundred thirty-one million, four hundred one", and thus it is an aban number.