26453681518 has 16 divisors (see below), whose sum is σ = 45169923456. Its totient is φ = 11501600440.

The previous prime is 26453681483. The next prime is 26453681549. The reversal of 26453681518 is 81518635462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26139496 + ... + 26140507.

It is an arithmetic number, because the mean of its divisors is an integer number (2823120216).

Almost surely, 2^26453681518 is an apocalyptic number.

26453681518 is a deficient number, since it is larger than the sum of its proper divisors (18716241938).

26453681518 is a wasteful number, since it uses less digits than its factorization.

26453681518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52280039.

The product of its digits is 1382400, while the sum is 49.

The spelling of 26453681518 in words is "twenty-six billion, four hundred fifty-three million, six hundred eighty-one thousand, five hundred eighteen".