41540223620765 has 4 divisors (see below), whose sum is σ = 49848268344924. Its totient is φ = 33232178896608.

The previous prime is 41540223620743. The next prime is 41540223620767. The reversal of 41540223620765 is 56702632204514.

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 13006272429241 + 28533951191524 = 3606421^2 + 5341718^2 .

It is a cyclic number.

It is not a de Polignac number, because 41540223620765 - 2¹² = 41540223616669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41540223620767) 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, 4154022362072 + ... + 4154022362081.

It is an arithmetic number, because the mean of its divisors is an integer number (12462067086231).

Almost surely, 2^{41540223620765} is an apocalyptic number.

It is an amenable number.

41540223620765 is a deficient number, since it is larger than the sum of its proper divisors (8308044724159).

41540223620765 is an equidigital number, since it uses as much as digits as its factorization.

41540223620765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308044724158.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 41540223620765 in words is "forty-one trillion, five hundred forty billion, two hundred twenty-three million, six hundred twenty thousand, seven hundred sixty-five".