404144441404 has 48 divisors (see below), whose sum is σ = 774016943616. Its totient is φ = 183114777600.

The previous prime is 404144441399. The next prime is 404144441411.

It is a happy number.

404144441404 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 404144441404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44450899 + ... + 44459989.

It is an arithmetic number, because the mean of its divisors is an integer number (16125352992).

Almost surely, 2^404144441404 is an apocalyptic number.

404144441404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404144441404 is a deficient number, since it is larger than the sum of its proper divisors (369872502212).

404144441404 is a wasteful number, since it uses less digits than its factorization.

404144441404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12226 (or 12224 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 34.

It can be divided in two parts, 404144 and 441404, that added together give a palindrome (845548).

The spelling of 404144441404 in words is "four hundred four billion, one hundred forty-four million, four hundred forty-one thousand, four hundred four".