80438180 has 48 divisors (see below), whose sum is σ = 175827456. Its totient is φ = 30877440.

The previous prime is 80438167. The next prime is 80438201. The reversal of 80438180 is 8183408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84467 + ... + 85413.

It is an arithmetic number, because the mean of its divisors is an integer number (3663072).

Almost surely, 2^80438180 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 80438180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87913728).

80438180 is an abundant number, since it is smaller than the sum of its proper divisors (95389276).

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

80438180 is a wasteful number, since it uses less digits than its factorization.

80438180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 80438180 is about 8968.7334668837. The cubic root of 80438180 is about 431.6721978855.

The spelling of 80438180 in words is "eighty million, four hundred thirty-eight thousand, one hundred eighty".