350205420305 has 16 divisors (see below), whose sum is σ = 452606229264. Its totient is φ = 258594336000.

The previous prime is 350205420287. The next prime is 350205420311. The reversal of 350205420305 is 503024502053.

It can be written as a sum of positive squares in 8 ways, for example, as 29567490304 + 320637930001 = 171952^2 + 566249^2 .

It is not a de Polignac number, because 350205420305 - 2⁶ = 350205420241 is a prime.

It is a super-2 number, since 2×350205420305² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733055 + ... + 1112555.

It is an arithmetic number, because the mean of its divisors is an integer number (28287889329).

Almost surely, 2^350205420305 is an apocalyptic number.

It is an amenable number.

350205420305 is a deficient number, since it is larger than the sum of its proper divisors (102400808959).

350205420305 is a wasteful number, since it uses less digits than its factorization.

350205420305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393716.

The product of its (nonzero) digits is 18000, while the sum is 29.

Adding to 350205420305 its reverse (503024502053), we get a palindrome (853229922358).

The spelling of 350205420305 in words is "three hundred fifty billion, two hundred five million, four hundred twenty thousand, three hundred five".