26305920 has 96 divisors (see below), whose sum is σ = 90857520. Its totient is φ = 7013376.

The previous prime is 26305901. The next prime is 26305943. The reversal of 26305920 is 2950362.

26305920 is a `hidden beast` number, since 2 + 630 + 5 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3477 + ... + 8043.

Almost surely, 2^26305920 is an apocalyptic number.

26305920 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 26305920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45428760).

26305920 is an abundant number, since it is smaller than the sum of its proper divisors (64551600).

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

26305920 is a wasteful number, since it uses less digits than its factorization.

26305920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592 (or 4577 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 26305920 is about 5128.9297129128. The cubic root of 26305920 is about 297.4069854922.

It can be divided in two parts, 26305 and 920, that added together give a square (27225 = 165²).

The spelling of 26305920 in words is "twenty-six million, three hundred five thousand, nine hundred twenty".