404504421045 has 16 divisors (see below), whose sum is σ = 651177673152. Its totient is φ = 214412158080.

The previous prime is 404504420993. The next prime is 404504421071. The reversal of 404504421045 is 540124405404.

It is not a de Polignac number, because 404504421045 - 2⁹ = 404504420533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404504420997 and 404504421015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82718296 + ... + 82723185.

It is an arithmetic number, because the mean of its divisors is an integer number (40698604572).

Almost surely, 2^404504421045 is an apocalyptic number.

It is an amenable number.

404504421045 is a deficient number, since it is larger than the sum of its proper divisors (246673252107).

404504421045 is a wasteful number, since it uses less digits than its factorization.

404504421045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165441652.

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 404504421045 its reverse (540124405404), we get a palindrome (944628826449).

The spelling of 404504421045 in words is "four hundred four billion, five hundred four million, four hundred twenty-one thousand, forty-five".