404103423040 has 112 divisors (see below), whose sum is σ = 979008212160. Its totient is φ = 158832322560.

The previous prime is 404103422969. The next prime is 404103423041. The reversal of 404103423040 is 40324301404.

It is a junction number, because it is equal to n+sod(n) for n = 404103422996 and 404103423014.

It is not an unprimeable number, because it can be changed into a prime (404103423041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75913819 + ... + 75919141.

Almost surely, 2^404103423040 is an apocalyptic number.

404103423040 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 404103423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489504106080).

404103423040 is an abundant number, since it is smaller than the sum of its proper divisors (574904789120).

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

404103423040 is a wasteful number, since it uses less digits than its factorization.

404103423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9420 (or 9410 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 404103423040 its reverse (40324301404), we get a palindrome (444427724444).

The spelling of 404103423040 in words is "four hundred four billion, one hundred three million, four hundred twenty-three thousand, forty".