4042400202079 has 2 divisors, whose sum is σ = 4042400202080. Its totient is φ = 4042400202078.

The previous prime is 4042400202067. The next prime is 4042400202083. The reversal of 4042400202079 is 9702020042404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4042400202079 - 2⁵ = 4042400202047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4042400202019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021200101039 + 2021200101040.

It is an arithmetic number, because the mean of its divisors is an integer number (2021200101040).

Almost surely, 2^{4042400202079} is an apocalyptic number.

4042400202079 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042400202079 is an equidigital number, since it uses as much as digits as its factorization.

4042400202079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 4042400202079 in words is "four trillion, forty-two billion, four hundred million, two hundred two thousand, seventy-nine".