80080440 has 256 divisors, whose sum is σ = 287539200. Its totient is φ = 17625600.

The previous prime is 80080439. The next prime is 80080463. The reversal of 80080440 is 4408008.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 80080440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 777429 + ... + 777531.

It is an arithmetic number, because the mean of its divisors is an integer number (1123200).

Almost surely, 2^80080440 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 80080440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143769600).

80080440 is an abundant number, since it is smaller than the sum of its proper divisors (207458760).

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

80080440 is a wasteful number, since it uses less digits than its factorization.

80080440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 80080440 is about 8948.7675129037. The cubic root of 80080440 is about 431.0313085677.

Adding to 80080440 its reverse (4408008), we get a palindrome (84488448).

The spelling of 80080440 in words is "eighty million, eighty thousand, four hundred forty".