6335944064 has 64 divisors (see below), whose sum is σ = 13389948000. Its totient is φ = 2976030720.

The previous prime is 6335944051. The next prime is 6335944073. The reversal of 6335944064 is 4604495336.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300994 + ... + 1305854.

Almost surely, 2^6335944064 is an apocalyptic number.

6335944064 is a gapful number since it is divisible by the number (64) 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 6335944064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6694974000).

6335944064 is an abundant number, since it is smaller than the sum of its proper divisors (7054003936).

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

6335944064 is a wasteful number, since it uses less digits than its factorization.

6335944064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491 (or 5479 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 44.

The square root of 6335944064 is about 79598.6436065339. The cubic root of 6335944064 is about 1850.4205582957.

The spelling of 6335944064 in words is "six billion, three hundred thirty-five million, nine hundred forty-four thousand, sixty-four".