26710240 has 48 divisors (see below), whose sum is σ = 63609840. Its totient is φ = 10598400.

The previous prime is 26710237. The next prime is 26710273. The reversal of 26710240 is 4201762.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21640 + ... + 22840.

It is an arithmetic number, because the mean of its divisors is an integer number (1325205).

Almost surely, 2^26710240 is an apocalyptic number.

26710240 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 26710240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31804920).

26710240 is an abundant number, since it is smaller than the sum of its proper divisors (36899600).

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

26710240 is a wasteful number, since it uses less digits than its factorization.

26710240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 26710240 is about 5168.1950427591. The cubic root of 26710240 is about 298.9229526724.

The spelling of 26710240 in words is "twenty-six million, seven hundred ten thousand, two hundred forty".