404041043 has 16 divisors (see below), whose sum is σ = 469440000. Its totient is φ = 340604352.

The previous prime is 404041039. The next prime is 404041063. The reversal of 404041043 is 340140404.

It is a cyclic number.

It is not a de Polignac number, because 404041043 - 2² = 404041039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404041013) 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, 122348 + ... + 125606.

It is an arithmetic number, because the mean of its divisors is an integer number (29340000).

Almost surely, 2^404041043 is an apocalyptic number.

404041043 is a deficient number, since it is larger than the sum of its proper divisors (65398957).

404041043 is a wasteful number, since it uses less digits than its factorization.

404041043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 404041043 is about 20100.7721990972. The cubic root of 404041043 is about 739.2792123247.

Adding to 404041043 its reverse (340140404), we get a palindrome (744181447).

The spelling of 404041043 in words is "four hundred four million, forty-one thousand, forty-three".