26506432 has 28 divisors (see below), whose sum is σ = 53122576. Its totient is φ = 13121280.

The previous prime is 26506421. The next prime is 26506439. The reversal of 26506432 is 23460562.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 26506432.

It is not an unprimeable number, because it can be changed into a prime (26506439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4582 + ... + 8602.

Almost surely, 2^26506432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26506432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26561288).

26506432 is an abundant number, since it is smaller than the sum of its proper divisors (26616144).

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

26506432 is a wasteful number, since it uses less digits than its factorization.

26506432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136 (or 4126 counting only the distinct ones).

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

The square root of 26506432 is about 5148.4397636566. The cubic root of 26506432 is about 298.1607168743.

Adding to 26506432 its reverse (23460562), we get a palindrome (49966994).

The spelling of 26506432 in words is "twenty-six million, five hundred six thousand, four hundred thirty-two".