80408040008 has 16 divisors (see below), whose sum is σ = 152257800060. Its totient is φ = 39805960000.

The previous prime is 80408040001. The next prime is 80408040023. The reversal of 80408040008 is 80004080408.

It can be written as a sum of positive squares in 2 ways, for example, as 49621126564 + 30786913444 = 222758^2 + 175462^2 .

It is a super-3 number, since 3×80408040008³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (80408040001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49756643 + ... + 49758258.

Almost surely, 2^80408040008 is an apocalyptic number.

It is an amenable number.

80408040008 is a deficient number, since it is larger than the sum of its proper divisors (71849760052).

80408040008 is a wasteful number, since it uses less digits than its factorization.

80408040008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99515008 (or 99515004 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The spelling of 80408040008 in words is "eighty billion, four hundred eight million, forty thousand, eight".