26856516750 has 256 divisors, whose sum is σ = 80787013632. Its totient is φ = 5812560000.

The previous prime is 26856516733. The next prime is 26856516763. The reversal of 26856516750 is 5761565862.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26856516693 and 26856516702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7647495 + ... + 7651005.

It is an arithmetic number, because the mean of its divisors is an integer number (315574272).

Almost surely, 2^26856516750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26856516750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40393506816).

26856516750 is an abundant number, since it is smaller than the sum of its proper divisors (53930496882).

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

26856516750 is a wasteful number, since it uses less digits than its factorization.

26856516750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616 (or 3606 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 26856516750 in words is "twenty-six billion, eight hundred fifty-six million, five hundred sixteen thousand, seven hundred fifty".