6340550436 has 72 divisors (see below), whose sum is σ = 17957145024. Its totient is φ = 1869445440.

The previous prime is 6340550387. The next prime is 6340550443.

6340550436 is a `hidden beast` number, since 63 + 4 + 0 + 550 + 43 + 6 = 666.

6340550436 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6340550436.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 201720 + ... + 231023.

It is an arithmetic number, because the mean of its divisors is an integer number (249404792).

Almost surely, 2^6340550436 is an apocalyptic number.

6340550436 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6340550436 is an abundant number, since it is smaller than the sum of its proper divisors (11616594588).

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

6340550436 is a wasteful number, since it uses less digits than its factorization.

6340550436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432801 (or 432796 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 6340550436 is about 79627.5733398928. The cubic root of 6340550436 is about 1850.8688819420.

The spelling of 6340550436 in words is "six billion, three hundred forty million, five hundred fifty thousand, four hundred thirty-six".