26321871888 has 320 divisors, whose sum is σ = 82954412800. Its totient is φ = 7942717440.

The previous prime is 26321871859. The next prime is 26321871907. The reversal of 26321871888 is 88817812362.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114942558 + ... + 114942786.

It is an arithmetic number, because the mean of its divisors is an integer number (259232540).

Almost surely, 2^26321871888 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 26321871888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41477206400).

26321871888 is an abundant number, since it is smaller than the sum of its proper divisors (56632540912).

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

26321871888 is a wasteful number, since it uses less digits than its factorization.

26321871888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 555 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The spelling of 26321871888 in words is "twenty-six billion, three hundred twenty-one million, eight hundred seventy-one thousand, eight hundred eighty-eight".