80450880 has 112 divisors (see below), whose sum is σ = 257397504. Its totient is φ = 21288960.

The previous prime is 80450879. The next prime is 80450947. The reversal of 80450880 is 8805408.

It is a super-3 number, since 3×80450880³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173529 + ... + 173991.

It is an arithmetic number, because the mean of its divisors is an integer number (2298192).

Almost surely, 2^80450880 is an apocalyptic number.

80450880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80450880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128698752).

80450880 is an abundant number, since it is smaller than the sum of its proper divisors (176946624).

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

80450880 is a wasteful number, since it uses less digits than its factorization.

80450880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 654 counting only the distinct ones).

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

The square root of 80450880 is about 8969.4414541821. The cubic root of 80450880 is about 431.6949149104.

The spelling of 80450880 in words is "eighty million, four hundred fifty thousand, eight hundred eighty".