342040225442 has 4 divisors (see below), whose sum is σ = 513060338166. Its totient is φ = 171020112720.

The previous prime is 342040225411. The next prime is 342040225487. The reversal of 342040225442 is 244522040243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 219210303601 + 122829921841 = 468199^2 + 350471^2 .

It is a super-3 number, since 3×342040225442³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342040225399 and 342040225408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85510056359 + ... + 85510056362.

Almost surely, 2^342040225442 is an apocalyptic number.

342040225442 is a deficient number, since it is larger than the sum of its proper divisors (171020112724).

342040225442 is a wasteful number, since it uses less digits than its factorization.

342040225442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171020112723.

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 342040225442 its reverse (244522040243), we get a palindrome (586562265685).

The spelling of 342040225442 in words is "three hundred forty-two billion, forty million, two hundred twenty-five thousand, four hundred forty-two".