80842080 has 192 divisors, whose sum is σ = 283481856. Its totient is φ = 19200000.

The previous prime is 80842061. The next prime is 80842109. The reversal of 80842080 is 8024808.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 321955 + ... + 322205.

It is an arithmetic number, because the mean of its divisors is an integer number (1476468).

Almost surely, 2^80842080 is an apocalyptic number.

80842080 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 80842080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141740928).

80842080 is an abundant number, since it is smaller than the sum of its proper divisors (202639776).

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

80842080 is a wasteful number, since it uses less digits than its factorization.

80842080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 80842080 is about 8991.2223863054. Note that the first 3 decimals coincide. The cubic root of 80842080 is about 432.3935029088.

Adding to 80842080 its reverse (8024808), we get a palindrome (88866888).

The spelling of 80842080 in words is "eighty million, eight hundred forty-two thousand, eighty".