2864660680644 has 48 divisors (see below), whose sum is σ = 7639841491968. Its totient is φ = 818394514848.

The previous prime is 2864660680639. The next prime is 2864660680667. The reversal of 2864660680644 is 4460860664682.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798384 + ... + 2523239.

It is an arithmetic number, because the mean of its divisors is an integer number (159163364416).

Almost surely, 2^{2864660680644} is an apocalyptic number.

It is an amenable number.

2864660680644 is an abundant number, since it is smaller than the sum of its proper divisors (4775180811324).

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

2864660680644 is a wasteful number, since it uses less digits than its factorization.

2864660680644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331904 (or 3331902 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 60.

The spelling of 2864660680644 in words is "two trillion, eight hundred sixty-four billion, six hundred sixty million, six hundred eighty thousand, six hundred forty-four".