404144224000 has 288 divisors, whose sum is σ = 1146073743360. Its totient is φ = 140569088000.

The previous prime is 404144223947. The next prime is 404144224013. The reversal of 404144224000 is 422441404.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8071041 + ... + 8120959.

It is an arithmetic number, because the mean of its divisors is an integer number (3979422720).

Almost surely, 2^404144224000 is an apocalyptic number.

404144224000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404144224000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573036871680).

404144224000 is an abundant number, since it is smaller than the sum of its proper divisors (741929519360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404144224000 is a wasteful number, since it uses less digits than its factorization.

404144224000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49984 (or 49960 counting only the distinct ones).

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

Adding to 404144224000 its reverse (422441404), we get a palindrome (404566665404).

The spelling of 404144224000 in words is "four hundred four billion, one hundred forty-four million, two hundred twenty-four thousand".