26536420 has 12 divisors (see below), whose sum is σ = 55726524. Its totient is φ = 10614560.

The previous prime is 26536417. The next prime is 26536423. The reversal of 26536420 is 2463562.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26536417) and next prime (26536423).

It can be written as a sum of positive squares in 2 ways, for example, as 2663424 + 23872996 = 1632^2 + 4886^2 .

It is not an unprimeable number, because it can be changed into a prime (26536423) 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 3 ways as a sum of consecutive naturals, for example, 663391 + ... + 663430.

It is an arithmetic number, because the mean of its divisors is an integer number (4643877).

Almost surely, 2^26536420 is an apocalyptic number.

26536420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26536420 is an abundant number, since it is smaller than the sum of its proper divisors (29190104).

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

26536420 is a wasteful number, since it uses less digits than its factorization.

26536420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326830 (or 1326828 counting only the distinct ones).

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

The square root of 26536420 is about 5151.3512790335. The cubic root of 26536420 is about 298.2731156788.

Adding to 26536420 its reverse (2463562), we get a palindrome (28999982).

The spelling of 26536420 in words is "twenty-six million, five hundred thirty-six thousand, four hundred twenty".