80438016 has 144 divisors (see below), whose sum is σ = 232672608. Its totient is φ = 24576000.

The previous prime is 80438011. The next prime is 80438027. The reversal of 80438016 is 61083408.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80438011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 796366 + ... + 796466.

It is an arithmetic number, because the mean of its divisors is an integer number (1615782).

Almost surely, 2^80438016 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 80438016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116336304).

80438016 is an abundant number, since it is smaller than the sum of its proper divisors (152234592).

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

80438016 is a wasteful number, since it uses less digits than its factorization.

80438016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 80438016 is about 8968.7243240051. The cubic root of 80438016 is about 431.6719045161.

Subtracting from 80438016 its product of nonzero digits (4608), we obtain a palindrome (80433408).

The spelling of 80438016 in words is "eighty million, four hundred thirty-eight thousand, sixteen".