404525404 has 24 divisors (see below), whose sum is σ = 761857488. Its totient is φ = 187242240.

The previous prime is 404525389. The next prime is 404525441.

404525404 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44614 + ... + 52909.

It is an arithmetic number, because the mean of its divisors is an integer number (31744062).

Almost surely, 2^404525404 is an apocalyptic number.

It is an amenable number.

404525404 is a deficient number, since it is larger than the sum of its proper divisors (357332084).

404525404 is a wasteful number, since it uses less digits than its factorization.

404525404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97605 (or 97603 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 404525404 is about 20112.8169086282. The cubic root of 404525404 is about 739.5745082549.

The spelling of 404525404 in words is "four hundred four million, five hundred twenty-five thousand, four hundred four".