8422404057 has 24 divisors (see below), whose sum is σ = 12646539360. Its totient is φ = 5601467520.

The previous prime is 8422403987. The next prime is 8422404071. The reversal of 8422404057 is 7504042248.

8422404057 is a `hidden beast` number, since 8 + 4 + 2 + 240 + 405 + 7 = 666.

It is not a de Polignac number, because 8422404057 - 2⁷ = 8422403929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8422404097) 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, 60457 + ... + 143177.

It is an arithmetic number, because the mean of its divisors is an integer number (526939140).

Almost surely, 2^8422404057 is an apocalyptic number.

It is an amenable number.

8422404057 is a deficient number, since it is larger than the sum of its proper divisors (4224135303).

8422404057 is an equidigital number, since it uses as much as digits as its factorization.

8422404057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83155 (or 83143 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 8422404057 is about 91773.6566613753. The cubic root of 8422404057 is about 2034.5983633873.

The spelling of 8422404057 in words is "eight billion, four hundred twenty-two million, four hundred four thousand, fifty-seven".