26345844672 has 224 divisors, whose sum is σ = 82055281152. Its totient is φ = 7302721536.

The previous prime is 26345844649. The next prime is 26345844737. The reversal of 26345844672 is 27644854362.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26007238 + ... + 26008250.

Almost surely, 2^26345844672 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 26345844672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41027640576).

26345844672 is an abundant number, since it is smaller than the sum of its proper divisors (55709436480).

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

26345844672 is a wasteful number, since it uses less digits than its factorization.

26345844672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595 (or 1585 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 51.

The spelling of 26345844672 in words is "twenty-six billion, three hundred forty-five million, eight hundred forty-four thousand, six hundred seventy-two".