26207280 has 160 divisors (see below), whose sum is σ = 98565120. Its totient is φ = 6347520.

The previous prime is 26207263. The next prime is 26207287. The reversal of 26207280 is 8270262.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (26207287) 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, 23209 + ... + 24311.

It is an arithmetic number, because the mean of its divisors is an integer number (616032).

Almost surely, 2^26207280 is an apocalyptic number.

26207280 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 26207280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49282560).

26207280 is an abundant number, since it is smaller than the sum of its proper divisors (72357840).

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

26207280 is a wasteful number, since it uses less digits than its factorization.

26207280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136 (or 1124 counting only the distinct ones).

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

The square root of 26207280 is about 5119.3046402807. The cubic root of 26207280 is about 297.0347882931.

The spelling of 26207280 in words is "twenty-six million, two hundred seven thousand, two hundred eighty".