80225840 has 80 divisors (see below), whose sum is σ = 198201600. Its totient is φ = 30134016.

The previous prime is 80225837. The next prime is 80225911. The reversal of 80225840 is 4852208.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108191 + ... + 108929.

It is an arithmetic number, because the mean of its divisors is an integer number (2477520).

Almost surely, 2^80225840 is an apocalyptic number.

80225840 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 80225840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99100800).

80225840 is an abundant number, since it is smaller than the sum of its proper divisors (117975760).

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

80225840 is a wasteful number, since it uses less digits than its factorization.

80225840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 80225840 is about 8956.8878523737. The cubic root of 80225840 is about 431.2920216701.

The spelling of 80225840 in words is "eighty million, two hundred twenty-five thousand, eight hundred forty".