404210041 has 4 divisors (see below), whose sum is σ = 407918500. Its totient is φ = 400501584.

The previous prime is 404210017. The next prime is 404210069. The reversal of 404210041 is 140012404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 264875625 + 139334416 = 16275^2 + 11804^2 .

It is a cyclic number.

It is not a de Polignac number, because 404210041 - 2⁷ = 404209913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404209997 and 404210024.

It is not an unprimeable number, because it can be changed into a prime (404210141) 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, 1854066 + ... + 1854283.

It is an arithmetic number, because the mean of its divisors is an integer number (101979625).

Almost surely, 2^404210041 is an apocalyptic number.

It is an amenable number.

404210041 is a deficient number, since it is larger than the sum of its proper divisors (3708459).

404210041 is a wasteful number, since it uses less digits than its factorization.

404210041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708458.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 404210041 is about 20104.9755284606. The cubic root of 404210041 is about 739.3822705787.

Adding to 404210041 its reverse (140012404), we get a palindrome (544222445).

The spelling of 404210041 in words is "four hundred four million, two hundred ten thousand, forty-one".