26432641 has 4 divisors (see below), whose sum is σ = 26443012. Its totient is φ = 26422272.

The previous prime is 26432633. The next prime is 26432647. The reversal of 26432641 is 14623462.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10400625 + 16032016 = 3225^2 + 4004^2 .

It is a cyclic number.

It is not a de Polignac number, because 26432641 - 2³ = 26432633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26432647) 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, 1585 + ... + 7441.

It is an arithmetic number, because the mean of its divisors is an integer number (6610753).

Almost surely, 2^26432641 is an apocalyptic number.

It is an amenable number.

26432641 is a deficient number, since it is larger than the sum of its proper divisors (10371).

26432641 is an equidigital number, since it uses as much as digits as its factorization.

26432641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370.

The product of its digits is 6912, while the sum is 28.

The square root of 26432641 is about 5141.2684232590. The cubic root of 26432641 is about 297.8837774789.

The spelling of 26432641 in words is "twenty-six million, four hundred thirty-two thousand, six hundred forty-one".