6434344056 has 96 divisors (see below), whose sum is σ = 18795335040. Its totient is φ = 1830209472.

The previous prime is 6434344051. The next prime is 6434344069. The reversal of 6434344056 is 6504434346.

It is a super-2 number, since 2×6434344056² = 82801566861965062272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6434344051) 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 23 ways as a sum of consecutive naturals, for example, 254901 + ... + 279003.

It is an arithmetic number, because the mean of its divisors is an integer number (195784740).

Almost surely, 2^6434344056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6434344056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9397667520).

6434344056 is an abundant number, since it is smaller than the sum of its proper divisors (12360990984).

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

6434344056 is a wasteful number, since it uses less digits than its factorization.

6434344056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24353 (or 24342 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

The square root of 6434344056 is about 80214.3631527422. The cubic root of 6434344056 is about 1859.9506727582.

The spelling of 6434344056 in words is "six billion, four hundred thirty-four million, three hundred forty-four thousand, fifty-six".