8055840 has 96 divisors (see below), whose sum is σ = 27349056. Its totient is φ = 1981440.

The previous prime is 8055811. The next prime is 8055851. The reversal of 8055840 is 485508.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 8055798 and 8055807.

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 15 ways as a sum of consecutive naturals, for example, 5595 + ... + 6885.

It is an arithmetic number, because the mean of its divisors is an integer number (284886).

Almost surely, 2^8055840 is an apocalyptic number.

8055840 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 8055840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13674528).

8055840 is an abundant number, since it is smaller than the sum of its proper divisors (19293216).

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

8055840 is a wasteful number, since it uses less digits than its factorization.

8055840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 8055840 is about 2838.2811700041. The cubic root of 8055840 is about 200.4642548367.

The spelling of 8055840 in words is "eight million, fifty-five thousand, eight hundred forty".