26506676826 has 96 divisors (see below), whose sum is σ = 70036986240. Its totient is φ = 7076408832.

The previous prime is 26506676813. The next prime is 26506676839. The reversal of 26506676826 is 62867660562.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26506676813) and next prime (26506676839).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98926 + ... + 250598.

It is an arithmetic number, because the mean of its divisors is an integer number (729551940).

Almost surely, 2^26506676826 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26506676826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35018493120).

26506676826 is an abundant number, since it is smaller than the sum of its proper divisors (43530309414).

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

26506676826 is a wasteful number, since it uses less digits than its factorization.

26506676826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151780 (or 151777 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 26506676826 in words is "twenty-six billion, five hundred six million, six hundred seventy-six thousand, eight hundred twenty-six".