404001344044 has 12 divisors (see below), whose sum is σ = 737741584944. Its totient is φ = 193218034064.

The previous prime is 404001344017. The next prime is 404001344063. The reversal of 404001344044 is 440443100404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195659387 + ... + 2195659570.

It is an arithmetic number, because the mean of its divisors is an integer number (61478465412).

Almost surely, 2^404001344044 is an apocalyptic number.

It is an amenable number.

404001344044 is a deficient number, since it is larger than the sum of its proper divisors (333740240900).

404001344044 is a wasteful number, since it uses less digits than its factorization.

404001344044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391318984 (or 4391318982 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 404001344044 its reverse (440443100404), we get a palindrome (844444444448).

The spelling of 404001344044 in words is "four hundred four billion, one million, three hundred forty-four thousand, forty-four".