26364641 has 4 divisors (see below), whose sum is σ = 26510484. Its totient is φ = 26218800.

The previous prime is 26364631. The next prime is 26364659. The reversal of 26364641 is 14646362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14646362 = 2 ⋅7323181.

It can be written as a sum of positive squares in 2 ways, for example, as 2560000 + 23804641 = 1600^2 + 4879^2 .

It is a cyclic number.

It is not a de Polignac number, because 26364641 - 2⁶ = 26364577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26364598 and 26364607.

It is not an unprimeable number, because it can be changed into a prime (26364631) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 72650 + ... + 73011.

It is an arithmetic number, because the mean of its divisors is an integer number (6627621).

Almost surely, 2^26364641 is an apocalyptic number.

It is an amenable number.

26364641 is a deficient number, since it is larger than the sum of its proper divisors (145843).

26364641 is a wasteful number, since it uses less digits than its factorization.

26364641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145842.

The product of its digits is 20736, while the sum is 32.

The square root of 26364641 is about 5134.6510105362. The cubic root of 26364641 is about 297.6281151476.

The spelling of 26364641 in words is "twenty-six million, three hundred sixty-four thousand, six hundred forty-one".