80040039984 has 120 divisors (see below), whose sum is σ = 225132590592. Its totient is φ = 26545599360.

The previous prime is 80040039953. The next prime is 80040040007. The reversal of 80040039984 is 48993004008.

It is a happy number.

80040039984 is a `hidden beast` number, since 80 + 0 + 400 + 3 + 99 + 84 = 666.

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 23 ways as a sum of consecutive naturals, for example, 26581039 + ... + 26584049.

Almost surely, 2^80040039984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80040039984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112566295296).

80040039984 is an abundant number, since it is smaller than the sum of its proper divisors (145092550608).

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

80040039984 is a wasteful number, since it uses less digits than its factorization.

80040039984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895 (or 3886 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 80040039984 in words is "eighty billion, forty million, thirty-nine thousand, nine hundred eighty-four".