26242643 has 8 divisors (see below), whose sum is σ = 30069600. Its totient is φ = 22435200.

The previous prime is 26242639. The next prime is 26242681. The reversal of 26242643 is 34624262.

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

It is a cyclic number.

It is not a de Polignac number, because 26242643 - 2² = 26242639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26242613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868 + ... + 7481.

It is an arithmetic number, because the mean of its divisors is an integer number (3758700).

Almost surely, 2^26242643 is an apocalyptic number.

26242643 is a deficient number, since it is larger than the sum of its proper divisors (3826957).

26242643 is an equidigital number, since it uses as much as digits as its factorization.

26242643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9757.

The product of its digits is 13824, while the sum is 29.

The square root of 26242643 is about 5122.7573629833. The cubic root of 26242643 is about 297.1683303240.

The spelling of 26242643 in words is "twenty-six million, two hundred forty-two thousand, six hundred forty-three".