442400140224104 has 8 divisors (see below), whose sum is σ = 829500262920210. Its totient is φ = 221200070112048.

The previous prime is 442400140224079. The next prime is 442400140224121. The reversal of 442400140224104 is 401422041004244.

It can be written as a sum of positive squares in only one way, i.e., 378769366152004 + 63630774072100 = 19461998^2 + 7976890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27650008763999 + ... + 27650008764014.

Almost surely, 2^{442400140224104} is an apocalyptic number.

It is an amenable number.

442400140224104 is a deficient number, since it is larger than the sum of its proper divisors (387100122696106).

442400140224104 is a wasteful number, since it uses less digits than its factorization.

442400140224104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55300017528019 (or 55300017528015 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 442400140224104 its reverse (401422041004244), we get a palindrome (843822181228348).

The spelling of 442400140224104 in words is "four hundred forty-two trillion, four hundred billion, one hundred forty million, two hundred twenty-four thousand, one hundred four".