8080400008 has 8 divisors (see below), whose sum is σ = 15150750030. Its totient is φ = 4040200000.

The previous prime is 8080399967. The next prime is 8080400059. The reversal of 8080400008 is 8000040808.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7992002404 + 88397604 = 89398^2 + 9402^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505024993 + ... + 505025008.

Almost surely, 2^8080400008 is an apocalyptic number.

It is an amenable number.

8080400008 is a deficient number, since it is larger than the sum of its proper divisors (7070350022).

8080400008 is a wasteful number, since it uses less digits than its factorization.

8080400008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010050007 (or 1010050003 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 8080400008 is about 89891.0452047366. The cubic root of 8080400008 is about 2006.6776801467.

The spelling of 8080400008 in words is "eight billion, eighty million, four hundred thousand, eight".