342552221133426 has 64 divisors (see below), whose sum is σ = 770195989555200. Its totient is φ = 112843301713488.

The previous prime is 342552221133371. The next prime is 342552221133427. The reversal of 342552221133426 is 624331122255243.

It is a happy number.

342552221133426 is a `hidden beast` number, since 3 + 4 + 2 + 5 + 5 + 2 + 2 + 211 + 3 + 3 + 426 = 666.

It is not an unprimeable number, because it can be changed into a prime (342552221133427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60523296 + ... + 65940683.

It is an arithmetic number, because the mean of its divisors is an integer number (12034312336800).

Almost surely, 2^{342552221133426} is an apocalyptic number.

342552221133426 is an abundant number, since it is smaller than the sum of its proper divisors (427643768421774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342552221133426 is a wasteful number, since it uses less digits than its factorization.

342552221133426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126464580 (or 126464574 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

Adding to 342552221133426 its reverse (624331122255243), we get a palindrome (966883343388669).

The spelling of 342552221133426 in words is "three hundred forty-two trillion, five hundred fifty-two billion, two hundred twenty-one million, one hundred thirty-three thousand, four hundred twenty-six".