6244642488868 has 48 divisors (see below), whose sum is σ = 12546241311744. Its totient is φ = 2664072247680.

The previous prime is 6244642488839. The next prime is 6244642488941. The reversal of 6244642488868 is 8688842464426.

It is a junction number, because it is equal to n+sod(n) for n = 6244642488797 and 6244642488806.

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, 106249746 + ... + 106308502.

It is an arithmetic number, because the mean of its divisors is an integer number (261380027328).

Almost surely, 2^{6244642488868} is an apocalyptic number.

It is an amenable number.

6244642488868 is an abundant number, since it is smaller than the sum of its proper divisors (6301598822876).

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

6244642488868 is a wasteful number, since it uses less digits than its factorization.

6244642488868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76012 (or 76010 counting only the distinct ones).

The product of its digits is 905969664, while the sum is 70.

The spelling of 6244642488868 in words is "six trillion, two hundred forty-four billion, six hundred forty-two million, four hundred eighty-eight thousand, eight hundred sixty-eight".