80049220 has 36 divisors (see below), whose sum is σ = 172375812. Its totient is φ = 31225600.

The previous prime is 80049217. The next prime is 80049271. The reversal of 80049220 is 2294008.

It can be written as a sum of positive squares in 6 ways, for example, as 57638464 + 22410756 = 7592^2 + 4734^2 .

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 11 ways as a sum of consecutive naturals, for example, 32430 + ... + 34810.

It is an arithmetic number, because the mean of its divisors is an integer number (4788217).

Almost surely, 2^80049220 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 80049220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86187906).

80049220 is an abundant number, since it is smaller than the sum of its proper divisors (92326592).

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

80049220 is a wasteful number, since it uses less digits than its factorization.

80049220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472 (or 2429 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 80049220 is about 8947.0229685633. The cubic root of 80049220 is about 430.9752876194.

The spelling of 80049220 in words is "eighty million, forty-nine thousand, two hundred twenty".