26244427 has 4 divisors (see below), whose sum is σ = 28630296. Its totient is φ = 23858560.

The previous prime is 26244397. The next prime is 26244431. The reversal of 26244427 is 72444262.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 26244427 - 2⁷ = 26244299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26244437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192918 + ... + 1192939.

It is an arithmetic number, because the mean of its divisors is an integer number (7157574).

Almost surely, 2^26244427 is an apocalyptic number.

26244427 is a deficient number, since it is larger than the sum of its proper divisors (2385869).

26244427 is a wasteful number, since it uses less digits than its factorization.

26244427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385868.

The product of its digits is 21504, while the sum is 31.

The square root of 26244427 is about 5122.9314849996. The cubic root of 26244427 is about 297.1750641007.

Adding to 26244427 its reverse (72444262), we get a palindrome (98688689).

The spelling of 26244427 in words is "twenty-six million, two hundred forty-four thousand, four hundred twenty-seven".