420041165 has 16 divisors (see below), whose sum is σ = 530136576. Its totient is φ = 319051200.

The previous prime is 420041161. The next prime is 420041177. The reversal of 420041165 is 561140024.

It is not a de Polignac number, because 420041165 - 2² = 420041161 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 420041165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420041161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17351 + ... + 33780.

It is an arithmetic number, because the mean of its divisors is an integer number (33133536).

Almost surely, 2^420041165 is an apocalyptic number.

It is an amenable number.

420041165 is a deficient number, since it is larger than the sum of its proper divisors (110095411).

420041165 is a wasteful number, since it uses less digits than its factorization.

420041165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51220.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 420041165 is about 20494.9058304741. The cubic root of 420041165 is about 748.9117045441.

Adding to 420041165 its reverse (561140024), we get a palindrome (981181189).

The spelling of 420041165 in words is "four hundred twenty million, forty-one thousand, one hundred sixty-five".