26243880 has 64 divisors (see below), whose sum is σ = 84792960. Its totient is φ = 6459648.

The previous prime is 26243863. The next prime is 26243881. The reversal of 26243880 is 8834262.

It is not an unprimeable number, because it can be changed into a prime (26243881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6852 + ... + 9971.

It is an arithmetic number, because the mean of its divisors is an integer number (1324890).

Almost surely, 2^26243880 is an apocalyptic number.

26243880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26243880 is an abundant number, since it is smaller than the sum of its proper divisors (58549080).

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

26243880 is a wasteful number, since it uses less digits than its factorization.

26243880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16850 (or 16846 counting only the distinct ones).

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

The square root of 26243880 is about 5122.8780973199. The cubic root of 26243880 is about 297.1729994606.

The spelling of 26243880 in words is "twenty-six million, two hundred forty-three thousand, eight hundred eighty".