80001280 has 36 divisors (see below), whose sum is σ = 191631132. Its totient is φ = 32000000.

The previous prime is 80001277. The next prime is 80001301. The reversal of 80001280 is 8210008.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63744256 + 16257024 = 7984^2 + 4032^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29971 + ... + 32530.

It is an arithmetic number, because the mean of its divisors is an integer number (5323087).

Almost surely, 2^80001280 is an apocalyptic number.

80001280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80001280 is an abundant number, since it is smaller than the sum of its proper divisors (111629852).

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

80001280 is an equidigital number, since it uses as much as digits as its factorization.

80001280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62522 (or 62508 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 80001280 is about 8944.3434638882. The cubic root of 80001280 is about 430.8892360578.

Adding to 80001280 its reverse (8210008), we get a palindrome (88211288).

It can be divided in two parts, 8000 and 1280, that multiplied together give a square (10240000 = 3200²).

The spelling of 80001280 in words is "eighty million, one thousand, two hundred eighty".