26947128448 has 32 divisors (see below), whose sum is σ = 55415473920. Its totient is φ = 13038931200.

The previous prime is 26947128437. The next prime is 26947128487. The reversal of 26947128448 is 84482174962.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×26947128448² (a number of 22 digits) contains 22 as substring.

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, 3391588 + ... + 3399523.

It is an arithmetic number, because the mean of its divisors is an integer number (1731733560).

Almost surely, 2^26947128448 is an apocalyptic number.

It is an amenable number.

26947128448 is an abundant number, since it is smaller than the sum of its proper divisors (28468345472).

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

26947128448 is an equidigital number, since it uses as much as digits as its factorization.

26947128448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6791156 (or 6791144 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 55.

The spelling of 26947128448 in words is "twenty-six billion, nine hundred forty-seven million, one hundred twenty-eight thousand, four hundred forty-eight".