8464334648 has 64 divisors (see below), whose sum is σ = 19847013120. Its totient is φ = 3287750400.

The previous prime is 8464334647. The next prime is 8464334653.

8464334648 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8464334648² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8464334596 and 8464334605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8464334647) 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 15 ways as a sum of consecutive naturals, for example, 183140 + ... + 224652.

It is an arithmetic number, because the mean of its divisors is an integer number (310109580).

Almost surely, 2^8464334648 is an apocalyptic number.

8464334648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8464334648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9923506560).

8464334648 is an abundant number, since it is smaller than the sum of its proper divisors (11382678472).

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

8464334648 is a wasteful number, since it uses less digits than its factorization.

8464334648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41868 (or 41864 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 50.

The square root of 8464334648 is about 92001.8187211536. The cubic root of 8464334648 is about 2037.9691637579.

The spelling of 8464334648 in words is "eight billion, four hundred sixty-four million, three hundred thirty-four thousand, six hundred forty-eight".