444131432330018 has 16 divisors (see below), whose sum is σ = 705830816401920. Its totient is φ = 208870997246016.

The previous prime is 444131432330017. The next prime is 444131432330041. The reversal of 444131432330018 is 810033234131444.

It is a super-3 number, since 3×444131432330018³ (a number of 45 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (444131432330017) 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, 4125874538 + ... + 4125982181.

It is an arithmetic number, because the mean of its divisors is an integer number (44114426025120).

Almost surely, 2^{444131432330018} is an apocalyptic number.

444131432330018 is a deficient number, since it is larger than the sum of its proper divisors (261699384071902).

444131432330018 is a wasteful number, since it uses less digits than its factorization.

444131432330018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8251858321.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 444131432330018 in words is "four hundred forty-four trillion, one hundred thirty-one billion, four hundred thirty-two million, three hundred thirty thousand, eighteen".