41428445665 has 16 divisors (see below), whose sum is σ = 49817894400. Its totient is φ = 33073653312.

The previous prime is 41428445629. The next prime is 41428445689. The reversal of 41428445665 is 56654482414.

It is a cyclic number.

It is not a de Polignac number, because 41428445665 - 2¹⁵ = 41428412897 is a prime.

It is a super-2 number, since 2×41428445665² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6751939 + ... + 6758071.

It is an arithmetic number, because the mean of its divisors is an integer number (3113618400).

Almost surely, 2^41428445665 is an apocalyptic number.

It is an amenable number.

41428445665 is a deficient number, since it is larger than the sum of its proper divisors (8389448735).

41428445665 is a wasteful number, since it uses less digits than its factorization.

41428445665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736.

The product of its digits is 3686400, while the sum is 49.

The spelling of 41428445665 in words is "forty-one billion, four hundred twenty-eight million, four hundred forty-five thousand, six hundred sixty-five".