26868660 has 288 divisors, whose sum is σ = 101888640. Its totient is φ = 5225472.

The previous prime is 26868643. The next prime is 26868671. The reversal of 26868660 is 6686862.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 726162 + ... + 726198.

It is an arithmetic number, because the mean of its divisors is an integer number (353780).

Almost surely, 2^26868660 is an apocalyptic number.

26868660 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 26868660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50944320).

26868660 is an abundant number, since it is smaller than the sum of its proper divisors (75019980).

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

26868660 is a wasteful number, since it uses less digits than its factorization.

26868660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 26868660 is about 5183.4988183658. The cubic root of 26868660 is about 299.5127646564.

The spelling of 26868660 in words is "twenty-six million, eight hundred sixty-eight thousand, six hundred sixty".