26159040 has 168 divisors, whose sum is σ = 93195648. Its totient is φ = 6727680.

The previous prime is 26158999. The next prime is 26159069. The reversal of 26159040 is 4095162.

26159040 is a `hidden beast` number, since 2 + 615 + 9 + 0 + 40 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 26158995 and 26159013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89134 + ... + 89426.

It is an arithmetic number, because the mean of its divisors is an integer number (554736).

Almost surely, 2^26159040 is an apocalyptic number.

26159040 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 26159040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46597824).

26159040 is an abundant number, since it is smaller than the sum of its proper divisors (67036608).

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

26159040 is a wasteful number, since it uses less digits than its factorization.

26159040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 26159040 is about 5114.5908927303. The cubic root of 26159040 is about 296.8524247284.

The spelling of 26159040 in words is "twenty-six million, one hundred fifty-nine thousand, forty".