6488844620 has 12 divisors (see below), whose sum is σ = 13626573744. Its totient is φ = 2595537840.

The previous prime is 6488844613. The next prime is 6488844653. The reversal of 6488844620 is 264488846.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162221096 + ... + 162221135.

It is an arithmetic number, because the mean of its divisors is an integer number (1135547812).

Almost surely, 2^6488844620 is an apocalyptic number.

It is an amenable number.

6488844620 is an abundant number, since it is smaller than the sum of its proper divisors (7137729124).

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

6488844620 is a wasteful number, since it uses less digits than its factorization.

6488844620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324442240 (or 324442238 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 50.

The square root of 6488844620 is about 80553.3650445467. The cubic root of 6488844620 is about 1865.1873368012.

The spelling of 6488844620 in words is "six billion, four hundred eighty-eight million, eight hundred forty-four thousand, six hundred twenty".