8081280 has 192 divisors, whose sum is σ = 29596320. Its totient is φ = 2027520.

The previous prime is 8081267. The next prime is 8081287. The reversal of 8081280 is 821808.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132450 + ... + 132510.

Almost surely, 2^8081280 is an apocalyptic number.

8081280 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 8081280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14798160).

8081280 is an abundant number, since it is smaller than the sum of its proper divisors (21515040).

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

8081280 is a wasteful number, since it uses less digits than its factorization.

8081280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 8081280 is about 2842.7592230085. The cubic root of 8081280 is about 200.6750522919.

The spelling of 8081280 in words is "eight million, eighty-one thousand, two hundred eighty".