64264843804896 has 144 divisors (see below), whose sum is σ = 209528031140064. Its totient is φ = 18302721196032.

The previous prime is 64264843804891. The next prime is 64264843804913. The reversal of 64264843804896 is 69840834846246.

64264843804896 is a `hidden beast` number, since 6 + 4 + 2 + 64 + 8 + 4 + 3 + 80 + 489 + 6 = 666.

64264843804896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64264843804891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50291361 + ... + 51553376.

It is an arithmetic number, because the mean of its divisors is an integer number (1455055771806).

Almost surely, 2^{64264843804896} is an apocalyptic number.

It is an amenable number.

64264843804896 is an abundant number, since it is smaller than the sum of its proper divisors (145263187335168).

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

64264843804896 is a wasteful number, since it uses less digits than its factorization.

64264843804896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101845073 (or 101845062 counting only the distinct ones).

The product of its (nonzero) digits is 1528823808, while the sum is 72.

The spelling of 64264843804896 in words is "sixty-four trillion, two hundred sixty-four billion, eight hundred forty-three million, eight hundred four thousand, eight hundred ninety-six".