26954713128 has 128 divisors (see below), whose sum is σ = 81144576000. Its totient is φ = 7289015040.

The previous prime is 26954713111. The next prime is 26954713133. The reversal of 26954713128 is 82131745962.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3919533 + ... + 3926403.

It is an arithmetic number, because the mean of its divisors is an integer number (633942000).

Almost surely, 2^26954713128 is an apocalyptic number.

26954713128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26954713128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40572288000).

26954713128 is an abundant number, since it is smaller than the sum of its proper divisors (54189862872).

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

26954713128 is a wasteful number, since it uses less digits than its factorization.

26954713128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8135 (or 8131 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The spelling of 26954713128 in words is "twenty-six billion, nine hundred fifty-four million, seven hundred thirteen thousand, one hundred twenty-eight".