26910040 has 32 divisors (see below), whose sum is σ = 61236000. Its totient is φ = 10641664.

The previous prime is 26910001. The next prime is 26910041. The reversal of 26910040 is 4001962.

It is a junction number, because it is equal to n+sod(n) for n = 26909993 and 26910020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26910041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 220 + ... + 7339.

It is an arithmetic number, because the mean of its divisors is an integer number (1913625).

Almost surely, 2^26910040 is an apocalyptic number.

26910040 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 26910040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30618000).

26910040 is an abundant number, since it is smaller than the sum of its proper divisors (34325960).

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

26910040 is a wasteful number, since it uses less digits than its factorization.

26910040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659 (or 7655 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 26910040 is about 5187.4887951686. The cubic root of 26910040 is about 299.6664440871. Note that the first 3 decimals are identical.

The spelling of 26910040 in words is "twenty-six million, nine hundred ten thousand, forty".