404224220444 has 12 divisors (see below), whose sum is σ = 771700784568. Its totient is φ = 183738282000.

The previous prime is 404224220437. The next prime is 404224220501. The reversal of 404224220444 is 444022422404.

It is a self number, because there is not a number n which added to its sum of digits gives 404224220444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4593457007 + ... + 4593457094.

It is an arithmetic number, because the mean of its divisors is an integer number (64308398714).

Almost surely, 2^404224220444 is an apocalyptic number.

404224220444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404224220444 is a deficient number, since it is larger than the sum of its proper divisors (367476564124).

404224220444 is a wasteful number, since it uses less digits than its factorization.

404224220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9186914116 (or 9186914114 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 404224220444 its reverse (444022422404), we get a palindrome (848246642848).

The spelling of 404224220444 in words is "four hundred four billion, two hundred twenty-four million, two hundred twenty thousand, four hundred forty-four".