404250423424 has 128 divisors (see below), whose sum is σ = 858746992320. Its totient is φ = 188894576640.

The previous prime is 404250423419. The next prime is 404250423439. The reversal of 404250423424 is 424324052404.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 404250423424.

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 15 ways as a sum of consecutive naturals, for example, 283286199 + ... + 283287625.

Almost surely, 2^404250423424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404250423424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429373496160).

404250423424 is an abundant number, since it is smaller than the sum of its proper divisors (454496568896).

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

404250423424 is a wasteful number, since it uses less digits than its factorization.

404250423424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286 (or 2274 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 34.

Adding to 404250423424 its reverse (424324052404), we get a palindrome (828574475828).

The spelling of 404250423424 in words is "four hundred four billion, two hundred fifty million, four hundred twenty-three thousand, four hundred twenty-four".