40541202221 has 8 divisors (see below), whose sum is σ = 43815132984. Its totient is φ = 37289468160.

The previous prime is 40541202211. The next prime is 40541202263. The reversal of 40541202221 is 12220214504.

40541202221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5474520100 + 35066682121 = 73990^2 + 187261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40541202221 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 (40541202211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5545376 + ... + 5552681.

It is an arithmetic number, because the mean of its divisors is an integer number (5476891623).

Almost surely, 2^40541202221 is an apocalyptic number.

It is an amenable number.

40541202221 is a deficient number, since it is larger than the sum of its proper divisors (3273930763).

40541202221 is a wasteful number, since it uses less digits than its factorization.

40541202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11098351.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 40541202221 its reverse (12220214504), we get a palindrome (52761416725).

The spelling of 40541202221 in words is "forty billion, five hundred forty-one million, two hundred two thousand, two hundred twenty-one".