404477212444 has 12 divisors (see below), whose sum is σ = 713001802464. Its totient is φ = 200762411744.

The previous prime is 404477212397. The next prime is 404477212453. The reversal of 404477212444 is 444212774404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 404477212444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369048004 + ... + 369049099.

It is an arithmetic number, because the mean of its divisors is an integer number (59416816872).

Almost surely, 2^404477212444 is an apocalyptic number.

It is an amenable number.

404477212444 is a deficient number, since it is larger than the sum of its proper divisors (308524590020).

404477212444 is a wasteful number, since it uses less digits than its factorization.

404477212444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738097244 (or 738097242 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 43.

Adding to 404477212444 its reverse (444212774404), we get a palindrome (848689986848).

The spelling of 404477212444 in words is "four hundred four billion, four hundred seventy-seven million, two hundred twelve thousand, four hundred forty-four".