26440103 has 2 divisors, whose sum is σ = 26440104. Its totient is φ = 26440102.

The previous prime is 26440097. The next prime is 26440129. The reversal of 26440103 is 30104462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26440103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26443103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13220051 + 13220052.

It is an arithmetic number, because the mean of its divisors is an integer number (13220052).

Almost surely, 2^26440103 is an apocalyptic number.

26440103 is a deficient number, since it is larger than the sum of its proper divisors (1).

26440103 is an equidigital number, since it uses as much as digits as its factorization.

26440103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 26440103 is about 5141.9940684524. The cubic root of 26440103 is about 297.9118059509.

Adding to 26440103 its reverse (30104462), we get a palindrome (56544565).

The spelling of 26440103 in words is "twenty-six million, four hundred forty thousand, one hundred three".