26228538662960 has 80 divisors (see below), whose sum is σ = 61513590592512. Its totient is φ = 10399987584000.

The previous prime is 26228538662927. The next prime is 26228538663013. The reversal of 26228538662960 is 6926683582262.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10906010 + ... + 13091910.

Almost surely, 2^{26228538662960} is an apocalyptic number.

26228538662960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26228538662960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30756795296256).

26228538662960 is an abundant number, since it is smaller than the sum of its proper divisors (35285051929552).

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

26228538662960 is a wasteful number, since it uses less digits than its factorization.

26228538662960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187222 (or 2187216 counting only the distinct ones).

The product of its (nonzero) digits is 179159040, while the sum is 65.

The spelling of 26228538662960 in words is "twenty-six trillion, two hundred twenty-eight billion, five hundred thirty-eight million, six hundred sixty-two thousand, nine hundred sixty".