26022660 has 96 divisors (see below), whose sum is σ = 77172480. Its totient is φ = 6538752.

The previous prime is 26022643. The next prime is 26022691. The reversal of 26022660 is 6622062.

It is a self number, because there is not a number n which added to its sum of digits gives 26022660.

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, 150334 + ... + 150506.

It is an arithmetic number, because the mean of its divisors is an integer number (803880).

Almost surely, 2^26022660 is an apocalyptic number.

26022660 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 26022660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38586240).

26022660 is an abundant number, since it is smaller than the sum of its proper divisors (51149820).

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

26022660 is a wasteful number, since it uses less digits than its factorization.

26022660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 26022660 is about 5101.2410254761. The cubic root of 26022660 is about 296.3356461589.

The spelling of 26022660 in words is "twenty-six million, twenty-two thousand, six hundred sixty".