8055040 has 144 divisors (see below), whose sum is σ = 23546880. Its totient is φ = 2580480.

The previous prime is 8055013. The next prime is 8055049. The reversal of 8055040 is 405508.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8055049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259825 + ... + 259855.

It is an arithmetic number, because the mean of its divisors is an integer number (163520).

Almost surely, 2^8055040 is an apocalyptic number.

8055040 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 8055040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11773440).

8055040 is an abundant number, since it is smaller than the sum of its proper divisors (15491840).

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

8055040 is a wasteful number, since it uses less digits than its factorization.

8055040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 8055040 is about 2838.1402361406. The cubic root of 8055040 is about 200.4576187933.

The spelling of 8055040 in words is "eight million, fifty-five thousand, forty".