444004440401 has 4 divisors (see below), whose sum is σ = 463308981312. Its totient is φ = 424699899492.

The previous prime is 444004440367. The next prime is 444004440413. The reversal of 444004440401 is 104044400444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444004440401 is a prime.

It is a super-2 number, since 2×444004440401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444004440491) 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, 9652270421 + ... + 9652270466.

It is an arithmetic number, because the mean of its divisors is an integer number (115827245328).

Almost surely, 2^444004440401 is an apocalyptic number.

It is an amenable number.

444004440401 is a deficient number, since it is larger than the sum of its proper divisors (19304540911).

444004440401 is a wasteful number, since it uses less digits than its factorization.

444004440401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19304540910.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 444004440401 its reverse (104044400444), we get a palindrome (548048840845).

The spelling of 444004440401 in words is "four hundred forty-four billion, four million, four hundred forty thousand, four hundred one".