144440414042121 has 32 divisors (see below), whose sum is σ = 214520321721600. Its totient is φ = 96053352232320.

The previous prime is 144440414042083. The next prime is 144440414042149. The reversal of 144440414042121 is 121240414044441.

144440414042121 is a `hidden beast` number, since 1 + 4 + 44 + 40 + 414 + 0 + 42 + 121 = 666.

It is not a de Polignac number, because 144440414042121 - 2¹⁰ = 144440414041097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144440414042191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14825395 + ... + 22553783.

It is an arithmetic number, because the mean of its divisors is an integer number (6703760053800).

Almost surely, 2^{144440414042121} is an apocalyptic number.

It is an amenable number.

144440414042121 is a deficient number, since it is larger than the sum of its proper divisors (70079907679479).

144440414042121 is a wasteful number, since it uses less digits than its factorization.

144440414042121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7730126 (or 7730120 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 36.

Adding to 144440414042121 its reverse (121240414044441), we get a palindrome (265680828086562).

The spelling of 144440414042121 in words is "one hundred forty-four trillion, four hundred forty billion, four hundred fourteen million, forty-two thousand, one hundred twenty-one".