80045880 has 64 divisors (see below), whose sum is σ = 241228800. Its totient is φ = 21248640.

The previous prime is 80045869. The next prime is 80045909. The reversal of 80045880 is 8854008.

It is a congruent number.

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, 27285 + ... + 30075.

It is an arithmetic number, because the mean of its divisors is an integer number (3769200).

Almost surely, 2^80045880 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 80045880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120614400).

80045880 is an abundant number, since it is smaller than the sum of its proper divisors (161182920).

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

80045880 is a wasteful number, since it uses less digits than its factorization.

80045880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044 (or 3040 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 80045880 is about 8946.8363123509. The cubic root of 80045880 is about 430.9692934844.

Adding to 80045880 its reverse (8854008), we get a palindrome (88899888).

The spelling of 80045880 in words is "eighty million, forty-five thousand, eight hundred eighty".