26842608840 has 32 divisors (see below), whose sum is σ = 80527826880. Its totient is φ = 7158028992.

The previous prime is 26842608797. The next prime is 26842608889. The reversal of 26842608840 is 4880624862.

It is a super-2 number, since 2×26842608840² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26842608840.

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, 111844084 + ... + 111844323.

It is an arithmetic number, because the mean of its divisors is an integer number (2516494590).

Almost surely, 2^26842608840 is an apocalyptic number.

26842608840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26842608840 is an abundant number, since it is smaller than the sum of its proper divisors (53685218040).

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

26842608840 is a wasteful number, since it uses less digits than its factorization.

26842608840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223688421 (or 223688417 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The spelling of 26842608840 in words is "twenty-six billion, eight hundred forty-two million, six hundred eight thousand, eight hundred forty".