26849240 has 64 divisors (see below), whose sum is σ = 66528000. Its totient is φ = 9671040.

The previous prime is 26849213. The next prime is 26849293. The reversal of 26849240 is 4294862.

It is a self number, because there is not a number n which added to its sum of digits gives 26849240.

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, 60941 + ... + 61379.

It is an arithmetic number, because the mean of its divisors is an integer number (1039500).

Almost surely, 2^26849240 is an apocalyptic number.

26849240 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 26849240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33264000).

26849240 is an abundant number, since it is smaller than the sum of its proper divisors (39678760).

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

26849240 is a wasteful number, since it uses less digits than its factorization.

26849240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 26849240 is about 5181.6252276675. The cubic root of 26849240 is about 299.4405871355.

The spelling of 26849240 in words is "twenty-six million, eight hundred forty-nine thousand, two hundred forty".