26870113536 has 324 divisors, whose sum is σ = 86075178336. Its totient is φ = 7419525120.

The previous prime is 26870113499. The next prime is 26870113549. The reversal of 26870113536 is 63531107862.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36163981 + ... + 36164723.

Almost surely, 2^26870113536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26870113536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43037589168).

26870113536 is an abundant number, since it is smaller than the sum of its proper divisors (59205064800).

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

26870113536 is an equidigital number, since it uses as much as digits as its factorization.

26870113536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 26870113536 in words is "twenty-six billion, eight hundred seventy million, one hundred thirteen thousand, five hundred thirty-six".