26400030003 has 8 divisors (see below), whose sum is σ = 39111155600. Its totient is φ = 17600019984.

The previous prime is 26400029987. The next prime is 26400030017. The reversal of 26400030003 is 30003000462.

It is not a de Polignac number, because 26400030003 - 2⁴ = 26400029987 is a prime.

It is a Duffinian number.

26400030003 is a modest number, since divided by 30003 gives 264 as remainder.

It is not an unprimeable number, because it can be changed into a prime (26400030043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488889418 + ... + 488889471.

It is an arithmetic number, because the mean of its divisors is an integer number (4888894450).

Almost surely, 2^26400030003 is an apocalyptic number.

26400030003 is a deficient number, since it is larger than the sum of its proper divisors (12711125597).

26400030003 is an equidigital number, since it uses as much as digits as its factorization.

26400030003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977778898 (or 977778892 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 26400030003 its reverse (30003000462), we get a palindrome (56403030465).

The spelling of 26400030003 in words is "twenty-six billion, four hundred million, thirty thousand, three".