8550140 has 24 divisors (see below), whose sum is σ = 18394992. Its totient is φ = 3336320.

The previous prime is 8550109. The next prime is 8550161. The reversal of 8550140 is 410558.

It is a congruent number.

It is an unprimeable number.

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, 4394 + ... + 6033.

It is an arithmetic number, because the mean of its divisors is an integer number (766458).

Almost surely, 2^8550140 is an apocalyptic number.

It is an amenable number.

8550140 is an abundant number, since it is smaller than the sum of its proper divisors (9844852).

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

8550140 is a wasteful number, since it uses less digits than its factorization.

8550140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10477 (or 10475 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 8550140 is about 2924.0622428396. The cubic root of 8550140 is about 204.4832513588.

Adding to 8550140 its reverse (410558), we get a palindrome (8960698).

The spelling of 8550140 in words is "eight million, five hundred fifty thousand, one hundred forty".