80446944 has 48 divisors (see below), whose sum is σ = 212284800. Its totient is φ = 26674560.

The previous prime is 80446901. The next prime is 80446963. The reversal of 80446944 is 44964408.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16999 + ... + 21209.

It is an arithmetic number, because the mean of its divisors is an integer number (4422600).

Almost surely, 2^80446944 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 80446944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106142400).

80446944 is an abundant number, since it is smaller than the sum of its proper divisors (131837856).

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

80446944 is a wasteful number, since it uses less digits than its factorization.

80446944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423 (or 4415 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 80446944 is about 8969.2220398427. Note that the first 3 decimals coincide. The cubic root of 80446944 is about 431.6878746771.

The spelling of 80446944 in words is "eighty million, four hundred forty-six thousand, nine hundred forty-four".