64880044608612 has 12 divisors (see below), whose sum is σ = 151386770753456. Its totient is φ = 21626681536200.

The previous prime is 64880044608611. The next prime is 64880044608619. The reversal of 64880044608612 is 21680644008846.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (64880044608611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2703335192014 + ... + 2703335192037.

Almost surely, 2^{64880044608612} is an apocalyptic number.

It is an amenable number.

64880044608612 is an abundant number, since it is smaller than the sum of its proper divisors (86506726144844).

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

64880044608612 is a wasteful number, since it uses less digits than its factorization.

64880044608612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5406670384058 (or 5406670384056 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 57.

The spelling of 64880044608612 in words is "sixty-four trillion, eight hundred eighty billion, forty-four million, six hundred eight thousand, six hundred twelve".