26418340 has 96 divisors (see below), whose sum is σ = 65197440. Its totient is φ = 8902656.

The previous prime is 26418331. The next prime is 26418349. The reversal of 26418340 is 4381462.

It is an interprime number because it is at equal distance from previous prime (26418331) and next prime (26418349).

It is a junction number, because it is equal to n+sod(n) for n = 26418299 and 26418308.

It is not an unprimeable number, because it can be changed into a prime (26418349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189991 + ... + 190129.

It is an arithmetic number, because the mean of its divisors is an integer number (679140).

Almost surely, 2^26418340 is an apocalyptic number.

26418340 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 26418340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32598720).

26418340 is an abundant number, since it is smaller than the sum of its proper divisors (38779100).

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

26418340 is a wasteful number, since it uses less digits than its factorization.

26418340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 26418340 is about 5139.8774304452. The cubic root of 26418340 is about 297.8300458773.

The spelling of 26418340 in words is "twenty-six million, four hundred eighteen thousand, three hundred forty".