41405351221 has 8 divisors (see below), whose sum is σ = 46028777984. Its totient is φ = 36987410160.

The previous prime is 41405351213. The next prime is 41405351261. The reversal of 41405351221 is 12215350414.

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

It is a cyclic number.

It is not a de Polignac number, because 41405351221 - 2³ = 41405351213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41405351221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41405351201) 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 7 ways as a sum of consecutive naturals, for example, 51371001 + ... + 51371806.

It is an arithmetic number, because the mean of its divisors is an integer number (5753597248).

Almost surely, 2^41405351221 is an apocalyptic number.

It is an amenable number.

41405351221 is a deficient number, since it is larger than the sum of its proper divisors (4623426763).

41405351221 is a wasteful number, since it uses less digits than its factorization.

41405351221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102742851.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 41405351221 in words is "forty-one billion, four hundred five million, three hundred fifty-one thousand, two hundred twenty-one".