26259680 has 48 divisors (see below), whose sum is σ = 63567504. Its totient is φ = 10245120.

The previous prime is 26259671. The next prime is 26259683. The reversal of 26259680 is 8695262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26259683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4559 + ... + 8561.

It is an arithmetic number, because the mean of its divisors is an integer number (1324323).

Almost surely, 2^26259680 is an apocalyptic number.

26259680 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 26259680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31783752).

26259680 is an abundant number, since it is smaller than the sum of its proper divisors (37307824).

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

26259680 is a wasteful number, since it uses less digits than its factorization.

26259680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059 (or 4051 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 26259680 is about 5124.4199671768. The cubic root of 26259680 is about 297.2326246816.

The spelling of 26259680 in words is "twenty-six million, two hundred fifty-nine thousand, six hundred eighty".