26622264064 has 72 divisors (see below), whose sum is σ = 58015318032. Its totient is φ = 12091883520.

The previous prime is 26622264059. The next prime is 26622264079. The reversal of 26622264064 is 46046222662.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4933752 + ... + 4939144.

It is an arithmetic number, because the mean of its divisors is an integer number (805768306).

Almost surely, 2^26622264064 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 26622264064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29007659016).

26622264064 is an abundant number, since it is smaller than the sum of its proper divisors (31393053968).

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

26622264064 is a wasteful number, since it uses less digits than its factorization.

26622264064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173 (or 7159 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 26622264064 in words is "twenty-six billion, six hundred twenty-two million, two hundred sixty-four thousand, sixty-four".