355221250403042 has 8 divisors (see below), whose sum is σ = 533275532457132. Its totient is φ = 177462739584000.

The previous prime is 355221250403017. The next prime is 355221250403111. The reversal of 355221250403042 is 240304052122553.

It can be written as a sum of positive squares in 2 ways, for example, as 351472918207321 + 3748332195721 = 18747611^2 + 1936061^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 355221250402987 and 355221250403005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73942805759 + ... + 73942810562.

Almost surely, 2^{355221250403042} is an apocalyptic number.

355221250403042 is a deficient number, since it is larger than the sum of its proper divisors (178054282054090).

355221250403042 is a wasteful number, since it uses less digits than its factorization.

355221250403042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147885617524.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 355221250403042 in words is "three hundred fifty-five trillion, two hundred twenty-one billion, two hundred fifty million, four hundred three thousand, forty-two".