26438432 has 12 divisors (see below), whose sum is σ = 52050726. Its totient is φ = 13219200.

The previous prime is 26438413. The next prime is 26438441. The reversal of 26438432 is 23483462.

It can be written as a sum of positive squares in only one way, i.e., 16679056 + 9759376 = 4084^2 + 3124^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 826201 = 26438432 / (2 + 6 + 4 + 3 + 8 + 4 + 3 + 2).

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 as a sum of consecutive naturals, namely, 413069 + ... + 413132.

Almost surely, 2^26438432 is an apocalyptic number.

It is an amenable number.

26438432 is a deficient number, since it is larger than the sum of its proper divisors (25612294).

26438432 is an equidigital number, since it uses as much as digits as its factorization.

26438432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826211 (or 826203 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 26438432 is about 5141.8315802834. The cubic root of 26438432 is about 297.9055298644.

The spelling of 26438432 in words is "twenty-six million, four hundred thirty-eight thousand, four hundred thirty-two".