26443430 has 24 divisors (see below), whose sum is σ = 51544512. Its totient is φ = 9763104.

The previous prime is 26443429. The next prime is 26443441. The reversal of 26443430 is 3434462.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 26443430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6134 + ... + 9513.

It is an arithmetic number, because the mean of its divisors is an integer number (2147688).

Almost surely, 2^26443430 is an apocalyptic number.

26443430 is a deficient number, since it is larger than the sum of its proper divisors (25101082).

26443430 is a wasteful number, since it uses less digits than its factorization.

26443430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15680 (or 15667 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 26443430 is about 5142.3175709013. The cubic root of 26443430 is about 297.9243009981.

Adding to 26443430 its reverse (3434462), we get a palindrome (29877892).

The spelling of 26443430 in words is "twenty-six million, four hundred forty-three thousand, four hundred thirty".