8550040 has 16 divisors (see below), whose sum is σ = 19237680. Its totient is φ = 3420000.

The previous prime is 8550037. The next prime is 8550053. The reversal of 8550040 is 400558.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8549993 and 8550020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106836 + ... + 106915.

It is an arithmetic number, because the mean of its divisors is an integer number (1202355).

Almost surely, 2^8550040 is an apocalyptic number.

It is an amenable number.

8550040 is an abundant number, since it is smaller than the sum of its proper divisors (10687640).

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

8550040 is a wasteful number, since it uses less digits than its factorization.

8550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213762 (or 213758 counting only the distinct ones).

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

The square root of 8550040 is about 2924.0451432904. The cubic root of 8550040 is about 204.4824541630.

Adding to 8550040 its reverse (400558), we get a palindrome (8950598).

The spelling of 8550040 in words is "eight million, five hundred fifty thousand, forty".