80408882840 has 128 divisors (see below), whose sum is σ = 215241062400. Its totient is φ = 26648593920.

The previous prime is 80408882837. The next prime is 80408882863. The reversal of 80408882840 is 4828880408.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 362909 + ... + 540851.

It is an arithmetic number, because the mean of its divisors is an integer number (1681570800).

Almost surely, 2^80408882840 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 80408882840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107620531200).

80408882840 is an abundant number, since it is smaller than the sum of its proper divisors (134832179560).

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

80408882840 is a wasteful number, since it uses less digits than its factorization.

80408882840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178057 (or 178053 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 50.

The spelling of 80408882840 in words is "eighty billion, four hundred eight million, eight hundred eighty-two thousand, eight hundred forty".