404160646225 has 24 divisors (see below), whose sum is σ = 572789866880. Its totient is φ = 277121070720.

The previous prime is 404160646199. The next prime is 404160646229. The reversal of 404160646225 is 522646061404.

It is a happy number.

It is not a de Polignac number, because 404160646225 - 2⁵ = 404160646193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404160646229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3061381 + ... + 3190669.

Almost surely, 2^404160646225 is an apocalyptic number.

It is an amenable number.

404160646225 is a deficient number, since it is larger than the sum of its proper divisors (168629220655).

404160646225 is a wasteful number, since it uses less digits than its factorization.

404160646225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147169 (or 147164 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 404160646225 in words is "four hundred four billion, one hundred sixty million, six hundred forty-six thousand, two hundred twenty-five".