242144402432401 has 4 divisors (see below), whose sum is σ = 276736459922752. Its totient is φ = 207552344942052.

The previous prime is 242144402432393. The next prime is 242144402432407. The reversal of 242144402432401 is 104234204441242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242144402432401 - 2³ = 242144402432393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242144402432407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17296028745165 + ... + 17296028745178.

It is an arithmetic number, because the mean of its divisors is an integer number (69184114980688).

Almost surely, 2^{242144402432401} is an apocalyptic number.

It is an amenable number.

242144402432401 is a deficient number, since it is larger than the sum of its proper divisors (34592057490351).

242144402432401 is an equidigital number, since it uses as much as digits as its factorization.

242144402432401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34592057490350.

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 242144402432401 its reverse (104234204441242), we get a palindrome (346378606873643).

The spelling of 242144402432401 in words is "two hundred forty-two trillion, one hundred forty-four billion, four hundred two million, four hundred thirty-two thousand, four hundred one".