8090440 has 32 divisors (see below), whose sum is σ = 18305280. Its totient is φ = 3218112.

The previous prime is 8090437. The next prime is 8090441. The reversal of 8090440 is 440908.

It is not an unprimeable number, because it can be changed into a prime (8090441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8467 + ... + 9373.

It is an arithmetic number, because the mean of its divisors is an integer number (572040).

Almost surely, 2^8090440 is an apocalyptic number.

It is an amenable number.

8090440 is an abundant number, since it is smaller than the sum of its proper divisors (10214840).

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

8090440 is a wasteful number, since it uses less digits than its factorization.

8090440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 8090440 is about 2844.3698774948. The cubic root of 8090440 is about 200.7508443033.

The spelling of 8090440 in words is "eight million, ninety thousand, four hundred forty".