404131125225 has 24 divisors (see below), whose sum is σ = 668186425792. Its totient is φ = 215529192000.

The previous prime is 404131125149. The next prime is 404131125269. The reversal of 404131125225 is 522521131404.

It is not a de Polignac number, because 404131125225 - 2²³ = 404122736617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404131125192 and 404131125201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2636799 + ... + 2785851.

Almost surely, 2^404131125225 is an apocalyptic number.

It is an amenable number.

404131125225 is a deficient number, since it is larger than the sum of its proper divisors (264055300567).

404131125225 is a wasteful number, since it uses less digits than its factorization.

404131125225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185217 (or 185212 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 404131125225 its reverse (522521131404), we get a palindrome (926652256629).

The spelling of 404131125225 in words is "four hundred four billion, one hundred thirty-one million, one hundred twenty-five thousand, two hundred twenty-five".