442400140224079 has 2 divisors, whose sum is σ = 442400140224080. Its totient is φ = 442400140224078.

The previous prime is 442400140224071. The next prime is 442400140224121. The reversal of 442400140224079 is 970422041004244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442400140224079 - 2³ = 442400140224071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442400140224071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221200070112039 + 221200070112040.

It is an arithmetic number, because the mean of its divisors is an integer number (221200070112040).

Almost surely, 2^{442400140224079} is an apocalyptic number.

442400140224079 is a deficient number, since it is larger than the sum of its proper divisors (1).

442400140224079 is an equidigital number, since it uses as much as digits as its factorization.

442400140224079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 43.

The spelling of 442400140224079 in words is "four hundred forty-two trillion, four hundred billion, one hundred forty million, two hundred twenty-four thousand, seventy-nine".