26074044666 has 80 divisors (see below), whose sum is σ = 59417582400. Its totient is φ = 8544837312.

The previous prime is 26074044649. The next prime is 26074044673. The reversal of 26074044666 is 66644047062.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2575771 + ... + 2585873.

It is an arithmetic number, because the mean of its divisors is an integer number (742719780).

Almost surely, 2^26074044666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26074044666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29708791200).

26074044666 is an abundant number, since it is smaller than the sum of its proper divisors (33343537734).

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

26074044666 is a wasteful number, since it uses less digits than its factorization.

26074044666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10385 (or 10376 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 26074044666 in words is "twenty-six billion, seventy-four million, forty-four thousand, six hundred sixty-six".