64202460864680 has 32 divisors (see below), whose sum is σ = 144459209946240. Its totient is φ = 25680331368000.

The previous prime is 64202460864673. The next prime is 64202460864683. The reversal of 64202460864680 is 8646806420246.

It is not an unprimeable number, because it can be changed into a prime (64202460864683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18811196 + ... + 21960555.

It is an arithmetic number, because the mean of its divisors is an integer number (4514350310820).

Almost surely, 2^{64202460864680} is an apocalyptic number.

It is an amenable number.

64202460864680 is an abundant number, since it is smaller than the sum of its proper divisors (80256749081560).

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

64202460864680 is a wasteful number, since it uses less digits than its factorization.

64202460864680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40811129 (or 40811125 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 56.

The spelling of 64202460864680 in words is "sixty-four trillion, two hundred two billion, four hundred sixty million, eight hundred sixty-four thousand, six hundred eighty".