355234412540420 has 72 divisors (see below), whose sum is σ = 891240622750296. Its totient is φ = 118502908263936.

The previous prime is 355234412540401. The next prime is 355234412540443. The reversal of 355234412540420 is 24045214432553.

It can be written as a sum of positive squares in 4 ways, for example, as 124875842145796 + 230358570394624 = 11174786^2 + 15177568^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4898397449 + ... + 4898469968.

It is an arithmetic number, because the mean of its divisors is an integer number (12378341982643).

Almost surely, 2^{355234412540420} is an apocalyptic number.

It is an amenable number.

355234412540420 is an abundant number, since it is smaller than the sum of its proper divisors (536006210209876).

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

355234412540420 is a wasteful number, since it uses less digits than its factorization.

355234412540420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9796867477 (or 9796867468 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 44.

Adding to 355234412540420 its reverse (24045214432553), we get a palindrome (379279626972973).

The spelling of 355234412540420 in words is "three hundred fifty-five trillion, two hundred thirty-four billion, four hundred twelve million, five hundred forty thousand, four hundred twenty".