26868440 has 32 divisors (see below), whose sum is σ = 60907680. Its totient is φ = 10666752.

The previous prime is 26868433. The next prime is 26868461. The reversal of 26868440 is 4486862.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 26868394 and 26868403.

It is a congruent number.

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, 3029 + ... + 7931.

It is an arithmetic number, because the mean of its divisors is an integer number (1903365).

Almost surely, 2^26868440 is an apocalyptic number.

26868440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26868440 is an abundant number, since it is smaller than the sum of its proper divisors (34039240).

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

26868440 is a wasteful number, since it uses less digits than its factorization.

26868440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051 (or 5047 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 26868440 is about 5183.4775971350. The cubic root of 26868440 is about 299.5119471861.

The spelling of 26868440 in words is "twenty-six million, eight hundred sixty-eight thousand, four hundred forty".