26641345 has 8 divisors (see below), whose sum is σ = 32103720. Its totient is φ = 21223680.

The previous prime is 26641313. The next prime is 26641357. The reversal of 26641345 is 54314662.

It can be written as a sum of positive squares in 4 ways, for example, as 1481089 + 25160256 = 1217^2 + 5016^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26641345 - 2⁵ = 26641313 is a prime.

It is a super-2 number, since 2×26641345² = 1419522526818050, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 9850 + ... + 12259.

It is an arithmetic number, because the mean of its divisors is an integer number (4012965).

Almost surely, 2^26641345 is an apocalyptic number.

It is an amenable number.

26641345 is a deficient number, since it is larger than the sum of its proper divisors (5462375).

26641345 is a wasteful number, since it uses less digits than its factorization.

26641345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22355.

The product of its digits is 17280, while the sum is 31.

The square root of 26641345 is about 5161.5254528095. The cubic root of 26641345 is about 298.6657226256.

The spelling of 26641345 in words is "twenty-six million, six hundred forty-one thousand, three hundred forty-five".