144404202018 has 32 divisors (see below), whose sum is σ = 311757206400. Its totient is φ = 44454265856.

The previous prime is 144404202017. The next prime is 144404202073. The reversal of 144404202018 is 810202404441.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144404202011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18037503 + ... + 18045506.

It is an arithmetic number, because the mean of its divisors is an integer number (9742412700).

Almost surely, 2^144404202018 is an apocalyptic number.

144404202018 is an abundant number, since it is smaller than the sum of its proper divisors (167353004382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144404202018 is a wasteful number, since it uses less digits than its factorization.

144404202018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36083066.

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 144404202018 its reverse (810202404441), we get a palindrome (954606606459).

The spelling of 144404202018 in words is "one hundred forty-four billion, four hundred four million, two hundred two thousand, eighteen".