80443416 has 64 divisors (see below), whose sum is σ = 214934400. Its totient is φ = 25014528.

The previous prime is 80443403. The next prime is 80443421. The reversal of 80443416 is 61434408.

It is a super-2 number, since 2×80443416² = 12942286355498112, which contains 22 as substring.

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, 29236 + ... + 31868.

It is an arithmetic number, because the mean of its divisors is an integer number (3358350).

Almost surely, 2^80443416 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 80443416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107467200).

80443416 is an abundant number, since it is smaller than the sum of its proper divisors (134490984).

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

80443416 is a wasteful number, since it uses less digits than its factorization.

80443416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728 (or 2724 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 80443416 is about 8969.0253651107. The cubic root of 80443416 is about 431.6815640289.

The spelling of 80443416 in words is "eighty million, four hundred forty-three thousand, four hundred sixteen".