26875840 has 28 divisors (see below), whose sum is σ = 63998856. Its totient is φ = 10750208.

The previous prime is 26875763. The next prime is 26875847. The reversal of 26875840 is 4857862.

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

It is a junction number, because it is equal to n+sod(n) for n = 26875793 and 26875802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26875847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41674 + ... + 42313.

Almost surely, 2^26875840 is an apocalyptic number.

26875840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26875840 is an abundant number, since it is smaller than the sum of its proper divisors (37123016).

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

26875840 is an equidigital number, since it uses as much as digits as its factorization.

26875840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84004 (or 83994 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 26875840 is about 5184.1913544930. The cubic root of 26875840 is about 299.5394414627.

The spelling of 26875840 in words is "twenty-six million, eight hundred seventy-five thousand, eight hundred forty".