41855420345 has 4 divisors (see below), whose sum is σ = 50226504420. Its totient is φ = 33484336272.

The previous prime is 41855420323. The next prime is 41855420377. The reversal of 41855420345 is 54302455814.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16781647936 + 25073772409 = 129544^2 + 158347^2 .

It is a cyclic number.

It is not a de Polignac number, because 41855420345 - 2¹² = 41855416249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4185542030 + ... + 4185542039.

It is an arithmetic number, because the mean of its divisors is an integer number (12556626105).

Almost surely, 2^41855420345 is an apocalyptic number.

It is an amenable number.

41855420345 is a deficient number, since it is larger than the sum of its proper divisors (8371084075).

41855420345 is an equidigital number, since it uses as much as digits as its factorization.

41855420345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371084074.

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 41855420345 in words is "forty-one billion, eight hundred fifty-five million, four hundred twenty thousand, three hundred forty-five".