26365420 has 24 divisors (see below), whose sum is σ = 56277648. Its totient is φ = 10372800.

The previous prime is 26365403. The next prime is 26365421. The reversal of 26365420 is 2456362.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26365421) 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, 9586 + ... + 12025.

It is an arithmetic number, because the mean of its divisors is an integer number (2344902).

Almost surely, 2^26365420 is an apocalyptic number.

26365420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26365420 is an abundant number, since it is smaller than the sum of its proper divisors (29912228).

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

26365420 is a wasteful number, since it uses less digits than its factorization.

26365420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21681 (or 21679 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 26365420 is about 5134.7268671274. The cubic root of 26365420 is about 297.6310464729.

The spelling of 26365420 in words is "twenty-six million, three hundred sixty-five thousand, four hundred twenty".