8402438208 has 28 divisors (see below), whose sum is σ = 22231451600. Its totient is φ = 2800812672.

The previous prime is 8402438179. The next prime is 8402438251. The reversal of 8402438208 is 8028342048.

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, 21881158 + ... + 21881541.

Almost surely, 2^8402438208 is an apocalyptic number.

It is an amenable number.

8402438208 is an abundant number, since it is smaller than the sum of its proper divisors (13829013392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8402438208 is a wasteful number, since it uses less digits than its factorization.

8402438208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43762714 (or 43762704 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

The square root of 8402438208 is about 91664.8144491658. The cubic root of 8402438208 is about 2032.9893760100.

The spelling of 8402438208 in words is "eight billion, four hundred two million, four hundred thirty-eight thousand, two hundred eight".