42020442344401 has 8 divisors (see below), whose sum is σ = 42181644078504. Its totient is φ = 41859518785920.

The previous prime is 42020442344399. The next prime is 42020442344423. The reversal of 42020442344401 is 10444324402024.

It can be written as a sum of positive squares in 4 ways, for example, as 4474921390801 + 37545520953600 = 2115401^2 + 6127440^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42020442344401 - 2¹ = 42020442344399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42020442444401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69241210 + ... + 69845443.

It is an arithmetic number, because the mean of its divisors is an integer number (5272705509813).

Almost surely, 2^{42020442344401} is an apocalyptic number.

It is an amenable number.

42020442344401 is a deficient number, since it is larger than the sum of its proper divisors (161201734103).

42020442344401 is a wasteful number, since it uses less digits than its factorization.

42020442344401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139087811.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 42020442344401 its reverse (10444324402024), we get a palindrome (52464766746425).

The spelling of 42020442344401 in words is "forty-two trillion, twenty billion, four hundred forty-two million, three hundred forty-four thousand, four hundred one".