404023311031225 has 12 divisors (see below), whose sum is σ = 509201838560620. Its totient is φ = 317919982449600.

The previous prime is 404023311031217. The next prime is 404023311031247. The reversal of 404023311031225 is 522130113320404.

It can be written as a sum of positive squares in 6 ways, for example, as 43021373028624 + 361001938002601 = 6559068^2 + 19000051^2 .

It is not a de Polignac number, because 404023311031225 - 2³ = 404023311031217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132466657830 + ... + 132466660879.

Almost surely, 2^{404023311031225} is an apocalyptic number.

It is an amenable number.

404023311031225 is a deficient number, since it is larger than the sum of its proper divisors (105178527529395).

404023311031225 is a wasteful number, since it uses less digits than its factorization.

404023311031225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264933318780 (or 264933318775 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 404023311031225 its reverse (522130113320404), we get a palindrome (926153424351629).

The spelling of 404023311031225 in words is "four hundred four trillion, twenty-three billion, three hundred eleven million, thirty-one thousand, two hundred twenty-five".