404330025 has 24 divisors (see below), whose sum is σ = 729265824. Its totient is φ = 196038400.

The previous prime is 404329999. The next prime is 404330039. The reversal of 404330025 is 520033404.

It is a happy number.

It is not a de Polignac number, because 404330025 - 2¹¹ = 404327977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404329983 and 404330010.

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, 244224 + ... + 245873.

It is an arithmetic number, because the mean of its divisors is an integer number (30386076).

Almost surely, 2^404330025 is an apocalyptic number.

It is an amenable number.

404330025 is a deficient number, since it is larger than the sum of its proper divisors (324935799).

404330025 is a wasteful number, since it uses less digits than its factorization.

404330025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490121 (or 490116 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 404330025 is about 20107.9592450353. The cubic root of 404330025 is about 739.4554217105.

Adding to 404330025 its reverse (520033404), we get a palindrome (924363429).

The spelling of 404330025 in words is "four hundred four million, three hundred thirty thousand, twenty-five".