26088869856 has 48 divisors (see below), whose sum is σ = 78266611584. Its totient is φ = 7453962624.

The previous prime is 26088869803. The next prime is 26088869869. The reversal of 26088869856 is 65896888062.

It is a tau number, because it is divible by the number of its divisors (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, 19410690 + ... + 19412033.

It is an arithmetic number, because the mean of its divisors is an integer number (1630554408).

Almost surely, 2^26088869856 is an apocalyptic number.

It is an amenable number.

26088869856 is an abundant number, since it is smaller than the sum of its proper divisors (52177741728).

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

26088869856 is a wasteful number, since it uses less digits than its factorization.

26088869856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38822743 (or 38822735 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 66.

The spelling of 26088869856 in words is "twenty-six billion, eighty-eight million, eight hundred sixty-nine thousand, eight hundred fifty-six".