40505544403201 has 4 divisors (see below), whose sum is σ = 40533889782100. Its totient is φ = 40477199024304.

The previous prime is 40505544403183. The next prime is 40505544403211. The reversal of 40505544403201 is 10230444550504.

40505544403201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 22694409738225 + 17811134664976 = 4763865^2 + 4220324^2 .

It is a cyclic number.

It is not a de Polignac number, because 40505544403201 - 2⁵ = 40505544403169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40505544403211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14172687306 + ... + 14172690163.

It is an arithmetic number, because the mean of its divisors is an integer number (10133472445525).

Almost surely, 2^{40505544403201} is an apocalyptic number.

It is an amenable number.

40505544403201 is a deficient number, since it is larger than the sum of its proper divisors (28345378899).

40505544403201 is a wasteful number, since it uses less digits than its factorization.

40505544403201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28345378898.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 40505544403201 its reverse (10230444550504), we get a palindrome (50735988953705).

The spelling of 40505544403201 in words is "forty trillion, five hundred five billion, five hundred forty-four million, four hundred three thousand, two hundred one".