8409440550 has 96 divisors (see below), whose sum is σ = 24871122432. Its totient is φ = 1838580480.

The previous prime is 8409440519. The next prime is 8409440551. The reversal of 8409440550 is 550449048.

It is a junction number, because it is equal to n+sod(n) for n = 8409440499 and 8409440508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8409440551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149959 + ... + 198258.

It is an arithmetic number, because the mean of its divisors is an integer number (259074192).

Almost surely, 2^8409440550 is an apocalyptic number.

8409440550 is an abundant number, since it is smaller than the sum of its proper divisors (16461681882).

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

8409440550 is a wasteful number, since it uses less digits than its factorization.

8409440550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348262 (or 348257 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 8409440550 is about 91703.0018592630. The cubic root of 8409440550 is about 2033.5539634880.

Adding to 8409440550 its reverse (550449048), we get a palindrome (8959889598).

The spelling of 8409440550 in words is "eight billion, four hundred nine million, four hundred forty thousand, five hundred fifty".