26430955 has 4 divisors (see below), whose sum is σ = 31717152. Its totient is φ = 21144760.

The previous prime is 26430949. The next prime is 26431001. The reversal of 26430955 is 55903462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55903462 = 2 ⋅27951731.

It is not a de Polignac number, because 26430955 - 2³ = 26430947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26430955.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643091 + ... + 2643100.

It is an arithmetic number, because the mean of its divisors is an integer number (7929288).

Almost surely, 2^26430955 is an apocalyptic number.

26430955 is a deficient number, since it is larger than the sum of its proper divisors (5286197).

26430955 is an equidigital number, since it uses as much as digits as its factorization.

26430955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286196.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 26430955 is about 5141.1044533252. The cubic root of 26430955 is about 297.8774438612.

The spelling of 26430955 in words is "twenty-six million, four hundred thirty thousand, nine hundred fifty-five".