404041442 has 8 divisors (see below), whose sum is σ = 692642496. Its totient is φ = 173160612.

The previous prime is 404041411. The next prime is 404041453. The reversal of 404041442 is 244140404.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14430038 + ... + 14430065.

It is an arithmetic number, because the mean of its divisors is an integer number (86580312).

Almost surely, 2^404041442 is an apocalyptic number.

404041442 is a deficient number, since it is larger than the sum of its proper divisors (288601054).

404041442 is a wasteful number, since it uses less digits than its factorization.

404041442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28860112.

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

The square root of 404041442 is about 20100.7821240866. The cubic root of 404041442 is about 739.2794556765.

Adding to 404041442 its reverse (244140404), we get a palindrome (648181846).

The spelling of 404041442 in words is "four hundred four million, forty-one thousand, four hundred forty-two".