26356940 has 36 divisors (see below), whose sum is σ = 57360576. Its totient is φ = 10172736.

The previous prime is 26356921. The next prime is 26356951. The reversal of 26356940 is 4965362.

It is a self number, because there is not a number n which added to its sum of digits gives 26356940.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16037 + ... + 17603.

Almost surely, 2^26356940 is an apocalyptic number.

26356940 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 26356940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28680288).

26356940 is an abundant number, since it is smaller than the sum of its proper divisors (31003636).

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

26356940 is a wasteful number, since it uses less digits than its factorization.

26356940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 26356940 is about 5133.9010508579. The cubic root of 26356940 is about 297.5991336883.

The spelling of 26356940 in words is "twenty-six million, three hundred fifty-six thousand, nine hundred forty".