26340245204 has 24 divisors (see below), whose sum is σ = 56732836608. Its totient is φ = 10420316640.

The previous prime is 26340245201. The next prime is 26340245231. The reversal of 26340245204 is 40254204362.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26340245201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36181292 + ... + 36182019.

It is an arithmetic number, because the mean of its divisors is an integer number (2363868192).

Almost surely, 2^26340245204 is an apocalyptic number.

It is an amenable number.

26340245204 is an abundant number, since it is smaller than the sum of its proper divisors (30392591404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26340245204 is a wasteful number, since it uses less digits than its factorization.

26340245204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72363335 (or 72363333 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 26340245204 its reverse (40254204362), we get a palindrome (66594449566).

The spelling of 26340245204 in words is "twenty-six billion, three hundred forty million, two hundred forty-five thousand, two hundred four".