355220402041 has 4 divisors (see below), whose sum is σ = 355949807872. Its totient is φ = 354490996212.

The previous prime is 355220402003. The next prime is 355220402051. The reversal of 355220402041 is 140204022553.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 355220402041 - 2¹¹ = 355220399993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355220402051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364702185 + ... + 364703158.

It is an arithmetic number, because the mean of its divisors is an integer number (88987451968).

Almost surely, 2^355220402041 is an apocalyptic number.

It is an amenable number.

355220402041 is a deficient number, since it is larger than the sum of its proper divisors (729405831).

355220402041 is an equidigital number, since it uses as much as digits as its factorization.

355220402041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729405830.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 355220402041 its reverse (140204022553), we get a palindrome (495424424594).

The spelling of 355220402041 in words is "three hundred fifty-five billion, two hundred twenty million, four hundred two thousand, forty-one".