8009040 has 160 divisors (see below), whose sum is σ = 28498176. Its totient is φ = 1843200.

The previous prime is 8009039. The next prime is 8009059. The reversal of 8009040 is 409008.

It is a junction number, because it is equal to n+sod(n) for n = 8008998 and 8009016.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 52965 + ... + 53115.

Almost surely, 2^8009040 is an apocalyptic number.

8009040 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 8009040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14249088).

8009040 is an abundant number, since it is smaller than the sum of its proper divisors (20489136).

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

8009040 is a wasteful number, since it uses less digits than its factorization.

8009040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 8009040 is about 2830.0247348742. The cubic root of 8009040 is about 200.0753049756.

The spelling of 8009040 in words is "eight million, nine thousand, forty".