355445443231042 has 8 divisors (see below), whose sum is σ = 533170390427532. Its totient is φ = 177721979755200.

The previous prime is 355445443230989. The next prime is 355445443231051. The reversal of 355445443231042 is 240132344544553.

It can be written as a sum of positive squares in 2 ways, for example, as 354008702984161 + 1436740246881 = 18815119^2 + 1198641^2 .

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

It is a super-2 number, since 2×355445443231042² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

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, 370331059 + ... + 371289622.

Almost surely, 2^{355445443231042} is an apocalyptic number.

355445443231042 is a deficient number, since it is larger than the sum of its proper divisors (177724947196490).

355445443231042 is a wasteful number, since it uses less digits than its factorization.

355445443231042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741860324.

The product of its (nonzero) digits is 13824000, while the sum is 49.

Adding to 355445443231042 its reverse (240132344544553), we get a palindrome (595577787775595).

The spelling of 355445443231042 in words is "three hundred fifty-five trillion, four hundred forty-five billion, four hundred forty-three million, two hundred thirty-one thousand, forty-two".