840575404 has 12 divisors (see below), whose sum is σ = 1557536904. Its totient is φ = 395564864.

The previous prime is 840575377. The next prime is 840575413. The reversal of 840575404 is 404575048.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6180634 + ... + 6180769.

It is an arithmetic number, because the mean of its divisors is an integer number (129794742).

Almost surely, 2^840575404 is an apocalyptic number.

It is an amenable number.

840575404 is a deficient number, since it is larger than the sum of its proper divisors (716961500).

840575404 is a wasteful number, since it uses less digits than its factorization.

840575404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12361424 (or 12361422 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 840575404 is about 28992.6784550859. The cubic root of 840575404 is about 943.7541897450.

The spelling of 840575404 in words is "eight hundred forty million, five hundred seventy-five thousand, four hundred four".