26198120 has 64 divisors (see below), whose sum is σ = 64350720. Its totient is φ = 9540864.

The previous prime is 26198113. The next prime is 26198141. The reversal of 26198120 is 2189162.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 42857 + ... + 43463.

It is an arithmetic number, because the mean of its divisors is an integer number (1005480).

Almost surely, 2^26198120 is an apocalyptic number.

26198120 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 26198120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32175360).

26198120 is an abundant number, since it is smaller than the sum of its proper divisors (38152600).

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

26198120 is a wasteful number, since it uses less digits than its factorization.

26198120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 26198120 is about 5118.4099093371. The cubic root of 26198120 is about 297.0001776084. Note that the first 3 decimals are identical.

The spelling of 26198120 in words is "twenty-six million, one hundred ninety-eight thousand, one hundred twenty".