355120242 has 32 divisors (see below), whose sum is σ = 759487104. Its totient is φ = 110304000.

The previous prime is 355120237. The next prime is 355120243. The reversal of 355120242 is 242021553.

It is a super-2 number, since 2×355120242² = 252220772556277128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (355120243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6934 + ... + 27537.

It is an arithmetic number, because the mean of its divisors is an integer number (23733972).

Almost surely, 2^355120242 is an apocalyptic number.

355120242 is an abundant number, since it is smaller than the sum of its proper divisors (404366862).

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

355120242 is a wasteful number, since it uses less digits than its factorization.

355120242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34594.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 355120242 is about 18844.6343026337. The cubic root of 355120242 is about 708.1498095002.

Adding to 355120242 its reverse (242021553), we get a palindrome (597141795).

The spelling of 355120242 in words is "three hundred fifty-five million, one hundred twenty thousand, two hundred forty-two".