80408804440 has 64 divisors (see below), whose sum is σ = 181970141760. Its totient is φ = 31977039360.

The previous prime is 80408804401. The next prime is 80408804461. The reversal of 80408804440 is 4440880408.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 80408804393 and 80408804402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14425494 + ... + 14431066.

It is an arithmetic number, because the mean of its divisors is an integer number (2843283465).

Almost surely, 2^80408804440 is an apocalyptic number.

It is an amenable number.

80408804440 is an abundant number, since it is smaller than the sum of its proper divisors (101561337320).

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

80408804440 is a wasteful number, since it uses less digits than its factorization.

80408804440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7612 (or 7608 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 80408804440 in words is "eighty billion, four hundred eight million, eight hundred four thousand, four hundred forty".