26995312128 has 80 divisors (see below), whose sum is σ = 74397224880. Its totient is φ = 8688132096.

The previous prime is 26995312093. The next prime is 26995312171. The reversal of 26995312128 is 82121359962.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258475 + ... + 347562.

It is an arithmetic number, because the mean of its divisors is an integer number (929965311).

Almost surely, 2^26995312128 is an apocalyptic number.

It is an amenable number.

26995312128 is an abundant number, since it is smaller than the sum of its proper divisors (47401912752).

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

26995312128 is an equidigital number, since it uses as much as digits as its factorization.

26995312128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606087 (or 606071 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The spelling of 26995312128 in words is "twenty-six billion, nine hundred ninety-five million, three hundred twelve thousand, one hundred twenty-eight".