80840448 has 108 divisors (see below), whose sum is σ = 251105400. Its totient is φ = 24864768.

The previous prime is 80840447. The next prime is 80840471. The reversal of 80840448 is 84404808.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80840447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28603 + ... + 31301.

It is an arithmetic number, because the mean of its divisors is an integer number (2325050).

Almost surely, 2^80840448 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 80840448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125552700).

80840448 is an abundant number, since it is smaller than the sum of its proper divisors (170264952).

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

80840448 is a wasteful number, since it uses less digits than its factorization.

80840448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734 (or 2717 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 80840448 is about 8991.1316306681. The cubic root of 80840448 is about 432.3905932403.

The spelling of 80840448 in words is "eighty million, eight hundred forty thousand, four hundred forty-eight".