404525504225 has 6 divisors (see below), whose sum is σ = 501611625270. Its totient is φ = 323620403360.

The previous prime is 404525504191. The next prime is 404525504267. The reversal of 404525504225 is 522405525404.

It can be written as a sum of positive squares in 3 ways, for example, as 76655889424 + 327869614801 = 276868^2 + 572599^2 .

It is not a de Polignac number, because 404525504225 - 2⁶ = 404525504161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8090510060 + ... + 8090510109.

It is an arithmetic number, because the mean of its divisors is an integer number (83601937545).

Almost surely, 2^404525504225 is an apocalyptic number.

It is an amenable number.

404525504225 is a deficient number, since it is larger than the sum of its proper divisors (97086121045).

404525504225 is a wasteful number, since it uses less digits than its factorization.

404525504225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16181020179 (or 16181020174 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 38.

The spelling of 404525504225 in words is "four hundred four billion, five hundred twenty-five million, five hundred four thousand, two hundred twenty-five".