2644640060224 has 14 divisors (see below), whose sum is σ = 5247957619634. Its totient is φ = 1322320030080.

The previous prime is 2644640060221. The next prime is 2644640060267. The reversal of 2644640060224 is 4220600464462.

It can be written as a sum of positive squares in only one way, i.e., 2553092665600 + 91547394624 = 1597840^2 + 302568^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644640060221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20661250407 + ... + 20661250534.

Almost surely, 2^{2644640060224} is an apocalyptic number.

It is an amenable number.

2644640060224 is a deficient number, since it is larger than the sum of its proper divisors (2603317559410).

2644640060224 is an equidigital number, since it uses as much as digits as its factorization.

2644640060224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41322500953 (or 41322500943 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 2644640060224 in words is "two trillion, six hundred forty-four billion, six hundred forty million, sixty thousand, two hundred twenty-four".