6550456340 has 48 divisors (see below), whose sum is σ = 14489133120. Its totient is φ = 2480705280.

The previous prime is 6550456331. The next prime is 6550456343. The reversal of 6550456340 is 436540556.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 6550456294 and 6550456303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550456343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722435 + ... + 731445.

It is an arithmetic number, because the mean of its divisors is an integer number (301856940).

Almost surely, 2^6550456340 is an apocalyptic number.

It is an amenable number.

6550456340 is an abundant number, since it is smaller than the sum of its proper divisors (7938676780).

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

6550456340 is a wasteful number, since it uses less digits than its factorization.

6550456340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10952 (or 10950 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 6550456340 is about 80934.8895100253. The cubic root of 6550456340 is about 1871.0720820211.

Adding to 6550456340 its reverse (436540556), we get a palindrome (6986996896).

The spelling of 6550456340 in words is "six billion, five hundred fifty million, four hundred fifty-six thousand, three hundred forty".