26539845696 has 1176 divisors, whose sum is σ = 106340330880. Its totient is φ = 6490036224.

The previous prime is 26539845641. The next prime is 26539845727. The reversal of 26539845696 is 69654893562.

26539845696 is a `hidden beast` number, since 2 + 6 + 5 + 3 + 98 + 456 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (1176).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 564677545 + ... + 564677591.

Almost surely, 2^26539845696 is an apocalyptic number.

26539845696 is a gapful number since it is divisible by the number (26) 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 26539845696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53170165440).

26539845696 is an abundant number, since it is smaller than the sum of its proper divisors (79800485184).

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

26539845696 is a wasteful number, since it uses less digits than its factorization.

26539845696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 91 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 63.

The spelling of 26539845696 in words is "twenty-six billion, five hundred thirty-nine million, eight hundred forty-five thousand, six hundred ninety-six".