6318448136 has 64 divisors (see below), whose sum is σ = 15906602880. Its totient is φ = 2272366080.

The previous prime is 6318448127. The next prime is 6318448139.

6318448136 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (6318448139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386501 + ... + 402516.

It is an arithmetic number, because the mean of its divisors is an integer number (248540670).

Almost surely, 2^6318448136 is an apocalyptic number.

It is an amenable number.

6318448136 is an abundant number, since it is smaller than the sum of its proper divisors (9588154744).

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

6318448136 is a wasteful number, since it uses less digits than its factorization.

6318448136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789054 (or 789050 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 6318448136 is about 79488.6667141927. Note that the first 3 decimals coincide. The cubic root of 6318448136 is about 1848.7157520861.

It can be divided in two parts, 6318 and 448136, that added together give a palindrome (454454).

The spelling of 6318448136 in words is "six billion, three hundred eighteen million, four hundred forty-eight thousand, one hundred thirty-six".