26283840 has 224 divisors, whose sum is σ = 96560640. Its totient is φ = 5990400.

The previous prime is 26283839. The next prime is 26283847. The reversal of 26283840 is 4838262.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26283847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200575 + ... + 200705.

Almost surely, 2^26283840 is an apocalyptic number.

26283840 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 26283840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48280320).

26283840 is an abundant number, since it is smaller than the sum of its proper divisors (70276800).

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

26283840 is a wasteful number, since it uses less digits than its factorization.

26283840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 26283840 is about 5126.7767651810. The cubic root of 26283840 is about 297.3237522077.

The spelling of 26283840 in words is "twenty-six million, two hundred eighty-three thousand, eight hundred forty".