26439080 has 64 divisors (see below), whose sum is σ = 64152000. Its totient is φ = 9769984.

The previous prime is 26439041. The next prime is 26439113. The reversal of 26439080 is 8093462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39791 + ... + 40449.

It is an arithmetic number, because the mean of its divisors is an integer number (1002375).

Almost surely, 2^26439080 is an apocalyptic number.

26439080 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 26439080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32076000).

26439080 is an abundant number, since it is smaller than the sum of its proper divisors (37712920).

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

26439080 is a wasteful number, since it uses less digits than its factorization.

26439080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 26439080 is about 5141.8945924630. The cubic root of 26439080 is about 297.9079637103.

The spelling of 26439080 in words is "twenty-six million, four hundred thirty-nine thousand, eighty".