26156928 has 128 divisors (see below), whose sum is σ = 81861120. Its totient is φ = 7243776.

The previous prime is 26156917. The next prime is 26156941. The reversal of 26156928 is 82965162.

It is a tau number, because it is divible by the number of its divisors (128).

Its product of digits (51840) is a multiple of the sum of its prime factors (324).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99325 + ... + 99587.

It is an arithmetic number, because the mean of its divisors is an integer number (639540).

Almost surely, 2^26156928 is an apocalyptic number.

26156928 is a gapful number since it is divisible by the number (28) 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 26156928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40930560).

26156928 is an abundant number, since it is smaller than the sum of its proper divisors (55704192).

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

26156928 is a wasteful number, since it uses less digits than its factorization.

26156928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 312 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 26156928 is about 5114.3844204361. The cubic root of 26156928 is about 296.8444355311.

The spelling of 26156928 in words is "twenty-six million, one hundred fifty-six thousand, nine hundred twenty-eight".