26856120 has 64 divisors (see below), whose sum is σ = 84816000. Its totient is φ = 6784128.

The previous prime is 26856097. The next prime is 26856149. The reversal of 26856120 is 2165862.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3610 + ... + 8169.

It is an arithmetic number, because the mean of its divisors is an integer number (1325250).

Almost surely, 2^26856120 is an apocalyptic number.

26856120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26856120 is an abundant number, since it is smaller than the sum of its proper divisors (57959880).

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

26856120 is a wasteful number, since it uses less digits than its factorization.

26856120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11812 (or 11808 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 26856120 is about 5182.2890695136. The cubic root of 26856120 is about 299.4661617302.

The spelling of 26856120 in words is "twenty-six million, eight hundred fifty-six thousand, one hundred twenty".