64928384000000 has 392 divisors, whose sum is σ = 167554987768704. Its totient is φ = 25132032000000.

The previous prime is 64928383999931. The next prime is 64928384000009. The reversal of 64928384000000 is 48382946.

It is not an unprimeable number, because it can be changed into a prime (64928384000009) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3967991819 + ... + 3968008181.

Almost surely, 2^{64928384000000} 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 64928384000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83777493884352).

64928384000000 is an abundant number, since it is smaller than the sum of its proper divisors (102626603768704).

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

64928384000000 is an frugal number, since it uses more digits than its factorization.

64928384000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16450 (or 16401 counting only the distinct ones).

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

The spelling of 64928384000000 in words is "sixty-four trillion, nine hundred twenty-eight billion, three hundred eighty-four million", and thus it is an aban number.