404240441 has 8 divisors (see below), whose sum is σ = 443208000. Its totient is φ = 365642640.

The previous prime is 404240423. The next prime is 404240471. The reversal of 404240441 is 144042404.

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

It is not a de Polignac number, because 404240441 - 2¹⁰ = 404239417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404240401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90146 + ... + 94523.

It is an arithmetic number, because the mean of its divisors is an integer number (55401000).

Almost surely, 2^404240441 is an apocalyptic number.

It is an amenable number.

404240441 is a deficient number, since it is larger than the sum of its proper divisors (38967559).

404240441 is a wasteful number, since it uses less digits than its factorization.

404240441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184879.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 404240441 is about 20105.7315460045. The cubic root of 404240441 is about 739.4008060391.

Adding to 404240441 its reverse (144042404), we get a palindrome (548282845).

The spelling of 404240441 in words is "four hundred four million, two hundred forty thousand, four hundred forty-one".