26453978810 has 16 divisors (see below), whose sum is σ = 54419613696. Its totient is φ = 9069935568.

The previous prime is 26453978801. The next prime is 26453978819. The reversal of 26453978810 is 1887935462.

26453978810 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (26453978801) and next prime (26453978819).

It is a super-2 number, since 2×26453978810² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26453978819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188956922 + ... + 188957061.

It is an arithmetic number, because the mean of its divisors is an integer number (3401225856).

It is a 1-persistent number, because it is pandigital, but 2⋅26453978810 = 52907957620 is not.

Almost surely, 2^26453978810 is an apocalyptic number.

26453978810 is an abundant number, since it is smaller than the sum of its proper divisors (27965634886).

26453978810 is a wasteful number, since it uses less digits than its factorization.

26453978810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377913997.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 26453978810 in words is "twenty-six billion, four hundred fifty-three million, nine hundred seventy-eight thousand, eight hundred ten".