444121311 has 8 divisors (see below), whose sum is σ = 626994864. Its totient is φ = 278664320.

The previous prime is 444121289. The next prime is 444121319. The reversal of 444121311 is 113121444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444121311 - 2⁶ = 444121247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444121319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4354080 + ... + 4354181.

It is an arithmetic number, because the mean of its divisors is an integer number (78374358).

Almost surely, 2^444121311 is an apocalyptic number.

444121311 is a deficient number, since it is larger than the sum of its proper divisors (182873553).

444121311 is a wasteful number, since it uses less digits than its factorization.

444121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708281.

The product of its digits is 384, while the sum is 21.

The square root of 444121311 is about 21074.1858917492. The cubic root of 444121311 is about 762.9578358006.

Adding to 444121311 its reverse (113121444), we get a palindrome (557242755).

It can be divided in two parts, 4441 and 21311, that added together give a palindrome (25752).

The spelling of 444121311 in words is "four hundred forty-four million, one hundred twenty-one thousand, three hundred eleven".