26606840 has 64 divisors (see below), whose sum is σ = 67888800. Its totient is φ = 9303552.

The previous prime is 26606813. The next prime is 26606849. The reversal of 26606840 is 4860662.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26606797 and 26606806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26606849) 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, 8534 + ... + 11226.

Almost surely, 2^26606840 is an apocalyptic number.

26606840 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 26606840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33944400).

26606840 is an abundant number, since it is smaller than the sum of its proper divisors (41281960).

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

26606840 is a wasteful number, since it uses less digits than its factorization.

26606840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2732 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 26606840 is about 5158.1818502259. The cubic root of 26606840 is about 298.5367262222.

The spelling of 26606840 in words is "twenty-six million, six hundred six thousand, eight hundred forty".