355204242 has 24 divisors (see below), whose sum is σ = 770442816. Its totient is φ = 118273176.

The previous prime is 355204207. The next prime is 355204243. The reversal of 355204242 is 242402553.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (355204243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7203 + ... + 27609.

It is an arithmetic number, because the mean of its divisors is an integer number (32101784).

Almost surely, 2^355204242 is an apocalyptic number.

355204242 is an abundant number, since it is smaller than the sum of its proper divisors (415238574).

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

355204242 is a wasteful number, since it uses less digits than its factorization.

355204242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21382 (or 21379 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 355204242 is about 18846.8629219825. The cubic root of 355204242 is about 708.2056402559.

Adding to 355204242 its reverse (242402553), we get a palindrome (597606795).

The spelling of 355204242 in words is "three hundred fifty-five million, two hundred four thousand, two hundred forty-two".