6726138448 has 20 divisors (see below), whose sum is σ = 13452277888. Its totient is φ = 3254582880.

The previous prime is 6726138373. The next prime is 6726138457. The reversal of 6726138448 is 8448316276.

6726138448 is an admirable number.

It is a congruent number.

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, 6779886 + ... + 6780877.

Almost surely, 2^6726138448 is an apocalyptic number.

It is an amenable number.

6726138448 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6726138448 is a wasteful number, since it uses less digits than its factorization.

6726138448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13560802 (or 13560796 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The square root of 6726138448 is about 82013.0382805076. The cubic root of 6726138448 is about 1887.6520069268.

The spelling of 6726138448 in words is "six billion, seven hundred twenty-six million, one hundred thirty-eight thousand, four hundred forty-eight".