26642245 has 8 divisors (see below), whose sum is σ = 36537984. Its totient is φ = 18268944.

The previous prime is 26642233. The next prime is 26642261. The reversal of 26642245 is 54224662.

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 26642245 - 2⁹ = 26641733 is a prime.

It is a super-3 number, since 3×26642245³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380569 + ... + 380638.

It is an arithmetic number, because the mean of its divisors is an integer number (4567248).

Almost surely, 2^26642245 is an apocalyptic number.

It is an amenable number.

26642245 is a deficient number, since it is larger than the sum of its proper divisors (9895739).

26642245 is an equidigital number, since it uses as much as digits as its factorization.

26642245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761219.

The product of its digits is 23040, while the sum is 31.

The square root of 26642245 is about 5161.6126356014. The cubic root of 26642245 is about 298.6690857706.

The spelling of 26642245 in words is "twenty-six million, six hundred forty-two thousand, two hundred forty-five".