26303840 has 48 divisors (see below), whose sum is σ = 62959680. Its totient is φ = 10383360.

The previous prime is 26303839. The next prime is 26303843. The reversal of 26303840 is 4830362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26303843) by changing a digit.

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, 11600 + ... + 13680.

It is an arithmetic number, because the mean of its divisors is an integer number (1311660).

Almost surely, 2^26303840 is an apocalyptic number.

26303840 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 26303840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31479840).

26303840 is an abundant number, since it is smaller than the sum of its proper divisors (36655840).

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

26303840 is a wasteful number, since it uses less digits than its factorization.

26303840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175 (or 2167 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 26303840 is about 5128.7269375548. The cubic root of 26303840 is about 297.3991466631.

The spelling of 26303840 in words is "twenty-six million, three hundred three thousand, eight hundred forty".