355056421338 has 24 divisors (see below), whose sum is σ = 772648262100. Its totient is φ = 117835317504.

The previous prime is 355056421337. The next prime is 355056421339. The reversal of 355056421338 is 833124650553.

355056421338 is a `hidden beast` number, since 3 + 5 + 50 + 564 + 2 + 1 + 3 + 38 = 666.

It is an interprime number because it is at equal distance from previous prime (355056421337) and next prime (355056421339).

It can be written as a sum of positive squares in 2 ways, for example, as 354445194609 + 611226729 = 595353^2 + 24723^2 .

It is a junction number, because it is equal to n+sod(n) for n = 355056421293 and 355056421302.

It is not an unprimeable number, because it can be changed into a prime (355056421337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43064343 + ... + 43072586.

Almost surely, 2^355056421338 is an apocalyptic number.

355056421338 is an abundant number, since it is smaller than the sum of its proper divisors (417591840762).

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

355056421338 is a wasteful number, since it uses less digits than its factorization.

355056421338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86137166 (or 86137163 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 355056421338 in words is "three hundred fifty-five billion, fifty-six million, four hundred twenty-one thousand, three hundred thirty-eight".