26143432 has 32 divisors (see below), whose sum is σ = 56548800. Its totient is φ = 11098944.

The previous prime is 26143427. The next prime is 26143451. The reversal of 26143432 is 23434162.

It is a junction number, because it is equal to n+sod(n) for n = 26143397 and 26143406.

It is an unprimeable number.

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, 3963 + ... + 8245.

It is an arithmetic number, because the mean of its divisors is an integer number (1767150).

Almost surely, 2^26143432 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 26143432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28274400).

26143432 is an abundant number, since it is smaller than the sum of its proper divisors (30405368).

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

26143432 is a wasteful number, since it uses less digits than its factorization.

26143432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405 (or 4401 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 26143432 is about 5113.0648343239. The cubic root of 26143432 is about 296.7933731928.

Adding to 26143432 its reverse (23434162), we get a palindrome (49577594).

The spelling of 26143432 in words is "twenty-six million, one hundred forty-three thousand, four hundred thirty-two".