404441242 has 16 divisors (see below), whose sum is σ = 615992832. Its totient is φ = 199132560.

The previous prime is 404441207. The next prime is 404441267. The reversal of 404441242 is 242144404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31863 + ... + 42709.

It is an arithmetic number, because the mean of its divisors is an integer number (38499552).

Almost surely, 2^404441242 is an apocalyptic number.

404441242 is a deficient number, since it is larger than the sum of its proper divisors (211551590).

404441242 is a wasteful number, since it uses less digits than its factorization.

404441242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11133.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 404441242 is about 20110.7245518405. The cubic root of 404441242 is about 739.5232149069.

Adding to 404441242 its reverse (242144404), we get a palindrome (646585646).

The spelling of 404441242 in words is "four hundred four million, four hundred forty-one thousand, two hundred forty-two".