404041071 has 8 divisors (see below), whose sum is σ = 615681664. Its totient is φ = 230880600.

The previous prime is 404041067. The next prime is 404041097. The reversal of 404041071 is 170140404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 404041071 - 2² = 404041067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 19240051 = 404041071 / (4 + 0 + 4 + 0 + 4 + 1 + 0 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404041271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9620005 + ... + 9620046.

It is an arithmetic number, because the mean of its divisors is an integer number (76960208).

Almost surely, 2^404041071 is an apocalyptic number.

404041071 is a deficient number, since it is larger than the sum of its proper divisors (211640593).

404041071 is a wasteful number, since it uses less digits than its factorization.

404041071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19240061.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 404041071 is about 20100.7728955879. The cubic root of 404041071 is about 739.2792294020.

Adding to 404041071 its reverse (170140404), we get a palindrome (574181475).

The spelling of 404041071 in words is "four hundred four million, forty-one thousand, seventy-one".