350442215005221 has 24 divisors (see below), whose sum is σ = 507376423532160. Its totient is φ = 233082569083200.

The previous prime is 350442215005189. The next prime is 350442215005229. The reversal of 350442215005221 is 122500512244053.

350442215005221 is a `hidden beast` number, since 3 + 5 + 0 + 4 + 422 + 1 + 5 + 0 + 0 + 5 + 221 = 666.

It is not a de Polignac number, because 350442215005221 - 2⁵ = 350442215005189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350442215005229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270608626 + ... + 271900556.

It is an arithmetic number, because the mean of its divisors is an integer number (21140684313840).

Almost surely, 2^{350442215005221} is an apocalyptic number.

It is an amenable number.

350442215005221 is a deficient number, since it is larger than the sum of its proper divisors (156934208526939).

350442215005221 is a wasteful number, since it uses less digits than its factorization.

350442215005221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362297 (or 1362294 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 350442215005221 its reverse (122500512244053), we get a palindrome (472942727249274).

The spelling of 350442215005221 in words is "three hundred fifty trillion, four hundred forty-two billion, two hundred fifteen million, five thousand, two hundred twenty-one".