42342120204413 has 32 divisors (see below), whose sum is σ = 44559010621440. Its totient is φ = 40179384340480.

The previous prime is 42342120204317. The next prime is 42342120204427. The reversal of 42342120204413 is 31440202124324.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42342120204413 - 2³² = 42337825237117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42342120204413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42342120204463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2960359220 + ... + 2960373522.

It is an arithmetic number, because the mean of its divisors is an integer number (1392469081920).

Almost surely, 2^{42342120204413} is an apocalyptic number.

It is an amenable number.

42342120204413 is a deficient number, since it is larger than the sum of its proper divisors (2216890417027).

42342120204413 is a wasteful number, since it uses less digits than its factorization.

42342120204413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18829.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 42342120204413 its reverse (31440202124324), we get a palindrome (73782322328737).

The spelling of 42342120204413 in words is "forty-two trillion, three hundred forty-two billion, one hundred twenty million, two hundred four thousand, four hundred thirteen".