404000041 has 4 divisors (see below), whose sum is σ = 404147584. Its totient is φ = 403852500.

The previous prime is 404000039. The next prime is 404000063. The reversal of 404000041 is 140000404.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404000041 - 2¹ = 404000039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403999985 and 404000030.

It is not an unprimeable number, because it can be changed into a prime (404000341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69585 + ... + 75166.

It is an arithmetic number, because the mean of its divisors is an integer number (101036896).

Almost surely, 2^404000041 is an apocalyptic number.

It is an amenable number.

404000041 is a deficient number, since it is larger than the sum of its proper divisors (147543).

404000041 is a wasteful number, since it uses less digits than its factorization.

404000041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147542.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 404000041 is about 20099.7522621549. The cubic root of 404000041 is about 739.2542041791.

Adding to 404000041 its reverse (140000404), we get a palindrome (544000445).

The spelling of 404000041 in words is "four hundred four million, forty-one", and thus it is an aban number.