26155000 has 40 divisors (see below), whose sum is σ = 61292880. Its totient is φ = 10460000.

The previous prime is 26154977. The next prime is 26155009. The reversal of 26155000 is 55162.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26155009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2385 + ... + 7615.

It is an arithmetic number, because the mean of its divisors is an integer number (1532322).

Almost surely, 2^26155000 is an apocalyptic number.

26155000 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 26155000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30646440).

26155000 is an abundant number, since it is smaller than the sum of its proper divisors (35137880).

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

26155000 is an equidigital number, since it uses as much as digits as its factorization.

26155000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257 (or 5238 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 26155000 is about 5114.1959289804. The cubic root of 26155000 is about 296.8371419869.

The spelling of 26155000 in words is "twenty-six million, one hundred fifty-five thousand".