404041133 has 4 divisors (see below), whose sum is σ = 404135100. Its totient is φ = 403947168.

The previous prime is 404041123. The next prime is 404041153. The reversal of 404041133 is 331140404.

It is a happy number.

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 134490409 + 269550724 = 11597^2 + 16418^2 .

It is a cyclic number.

It is not a de Polignac number, because 404041133 - 2¹⁴ = 404024749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404041123) 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, 40208 + ... + 49241.

It is an arithmetic number, because the mean of its divisors is an integer number (101033775).

Almost surely, 2^404041133 is an apocalyptic number.

It is an amenable number.

404041133 is a deficient number, since it is larger than the sum of its proper divisors (93967).

404041133 is an equidigital number, since it uses as much as digits as its factorization.

404041133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93966.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 404041133 is about 20100.7744378171. The cubic root of 404041133 is about 739.2792672161.

Adding to 404041133 its reverse (331140404), we get a palindrome (735181537).

The spelling of 404041133 in words is "four hundred four million, forty-one thousand, one hundred thirty-three".