26868280 has 32 divisors (see below), whose sum is σ = 63637200. Its totient is φ = 10181376.

The previous prime is 26868269. The next prime is 26868287. The reversal of 26868280 is 8286862.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26868287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16917 + ... + 18436.

Almost surely, 2^26868280 is an apocalyptic number.

26868280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26868280 is an abundant number, since it is smaller than the sum of its proper divisors (36768920).

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

26868280 is a wasteful number, since it uses less digits than its factorization.

26868280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35383 (or 35379 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 26868280 is about 5183.4621634579. The cubic root of 26868280 is about 299.5113526595.

The spelling of 26868280 in words is "twenty-six million, eight hundred sixty-eight thousand, two hundred eighty".