80408343456 has 72 divisors (see below), whose sum is σ = 261327122784. Its totient is φ = 22973811840.

The previous prime is 80408343439. The next prime is 80408343467. The reversal of 80408343456 is 65434380408.

80408343456 is a `hidden beast` number, since 80 + 4 + 0 + 83 + 43 + 456 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19940530 + ... + 19944561.

It is an arithmetic number, because the mean of its divisors is an integer number (3629543372).

Almost surely, 2^80408343456 is an apocalyptic number.

It is an amenable number.

80408343456 is an abundant number, since it is smaller than the sum of its proper divisors (180918779328).

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

80408343456 is a wasteful number, since it uses less digits than its factorization.

80408343456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39885114 (or 39885103 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 80408343456 in words is "eighty billion, four hundred eight million, three hundred forty-three thousand, four hundred fifty-six".