40008408808 has 8 divisors (see below), whose sum is σ = 75015766530. Its totient is φ = 20004204400.

The previous prime is 40008408779. The next prime is 40008408829. The reversal of 40008408808 is 80880480004.

It can be written as a sum of positive squares in only one way, i.e., 28258282404 + 11750126404 = 168102^2 + 108398^2 .

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, 2500525543 + ... + 2500525558.

Almost surely, 2^40008408808 is an apocalyptic number.

It is an amenable number.

40008408808 is a deficient number, since it is larger than the sum of its proper divisors (35007357722).

40008408808 is a wasteful number, since it uses less digits than its factorization.

40008408808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001051107 (or 5001051103 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The spelling of 40008408808 in words is "forty billion, eight million, four hundred eight thousand, eight hundred eight".