444031302121 has 16 divisors (see below), whose sum is σ = 506873184768. Its totient is φ = 385292073600.

The previous prime is 444031302041. The next prime is 444031302149. The reversal of 444031302121 is 121203130444.

It is a cyclic number.

It is not a de Polignac number, because 444031302121 - 2⁷ = 444031301993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444031302181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8893906 + ... + 8943691.

It is an arithmetic number, because the mean of its divisors is an integer number (31679574048).

Almost surely, 2^444031302121 is an apocalyptic number.

It is an amenable number.

444031302121 is a deficient number, since it is larger than the sum of its proper divisors (62841882647).

444031302121 is a wasteful number, since it uses less digits than its factorization.

444031302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17837712.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 444031302121 its reverse (121203130444), we get a palindrome (565234432565).

The spelling of 444031302121 in words is "four hundred forty-four billion, thirty-one million, three hundred two thousand, one hundred twenty-one".