26131226140 has 24 divisors (see below), whose sum is σ = 54882167760. Its totient is φ = 10451234688.

The previous prime is 26131226137. The next prime is 26131226153. The reversal of 26131226140 is 4162213162.

It is a junction number, because it is equal to n+sod(n) for n = 26131226099 and 26131226108.

It is a congruent number.

It is an unprimeable number.

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, 102304 + ... + 250456.

It is an arithmetic number, because the mean of its divisors is an integer number (2286756990).

Almost surely, 2^26131226140 is an apocalyptic number.

26131226140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26131226140 is an abundant number, since it is smaller than the sum of its proper divisors (28750941620).

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

26131226140 is a wasteful number, since it uses less digits than its factorization.

26131226140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156981 (or 156979 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 26131226140 in words is "twenty-six billion, one hundred thirty-one million, two hundred twenty-six thousand, one hundred forty".