6344019216 has 120 divisors (see below), whose sum is σ = 18250899576. Its totient is φ = 2055905280.

The previous prime is 6344019203. The next prime is 6344019247. The reversal of 6344019216 is 6129104436.

6344019216 is a `hidden beast` number, since 6 + 34 + 401 + 9 + 216 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 659462400 + 5684556816 = 25680^2 + 75396^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1846236 + ... + 1849668.

Almost surely, 2^6344019216 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 6344019216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9125449788).

6344019216 is an abundant number, since it is smaller than the sum of its proper divisors (11906880360).

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

6344019216 is a wasteful number, since it uses less digits than its factorization.

6344019216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801 (or 3792 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6344019216 is about 79649.3516357792. The cubic root of 6344019216 is about 1851.2063440485.

The spelling of 6344019216 in words is "six billion, three hundred forty-four million, nineteen thousand, two hundred sixteen".