26087040 has 192 divisors, whose sum is σ = 103109760. Its totient is φ = 5953536.

The previous prime is 26087023. The next prime is 26087041. The reversal of 26087040 is 4078062.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 26086995 and 26087013.

It is not an unprimeable number, because it can be changed into a prime (26087041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39997 + ... + 40643.

It is an arithmetic number, because the mean of its divisors is an integer number (537030).

Almost surely, 2^26087040 is an apocalyptic number.

26087040 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 26087040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51554880).

26087040 is an abundant number, since it is smaller than the sum of its proper divisors (77022720).

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

26087040 is a wasteful number, since it uses less digits than its factorization.

26087040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 26087040 is about 5107.5473566086. The cubic root of 26087040 is about 296.5798228039.

The spelling of 26087040 in words is "twenty-six million, eighty-seven thousand, forty".