41552644221 has 32 divisors (see below), whose sum is σ = 67177482240. Its totient is φ = 25175286000.

The previous prime is 41552644153. The next prime is 41552644223. The reversal of 41552644221 is 12244625514.

41552644221 is a `hidden beast` number, since 4 + 1 + 5 + 5 + 2 + 644 + 2 + 2 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-41552644221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41552644223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 971946 + ... + 1013796.

It is an arithmetic number, because the mean of its divisors is an integer number (2099296320).

Almost surely, 2^41552644221 is an apocalyptic number.

It is an amenable number.

41552644221 is a deficient number, since it is larger than the sum of its proper divisors (25624838019).

41552644221 is a wasteful number, since it uses less digits than its factorization.

41552644221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45214 (or 45208 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The spelling of 41552644221 in words is "forty-one billion, five hundred fifty-two million, six hundred forty-four thousand, two hundred twenty-one".