404143041 has 4 divisors (see below), whose sum is σ = 538857392. Its totient is φ = 269428692.

The previous prime is 404143039. The next prime is 404143049. The reversal of 404143041 is 140341404.

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 not a de Polignac number, because 404143041 - 2¹ = 404143039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404142999 and 404143017.

It is not an unprimeable number, because it can be changed into a prime (404143049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67357171 + ... + 67357176.

It is an arithmetic number, because the mean of its divisors is an integer number (134714348).

Almost surely, 2^404143041 is an apocalyptic number.

It is an amenable number.

404143041 is a deficient number, since it is larger than the sum of its proper divisors (134714351).

404143041 is a wasteful number, since it uses less digits than its factorization.

404143041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134714350.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 404143041 is about 20103.3092052030. The cubic root of 404143041 is about 739.3414161182.

Adding to 404143041 its reverse (140341404), we get a palindrome (544484445).

The spelling of 404143041 in words is "four hundred four million, one hundred forty-three thousand, forty-one".