26641281460 has 12 divisors (see below), whose sum is σ = 55946691108. Its totient is φ = 10656512576.

The previous prime is 26641281427. The next prime is 26641281461. The reversal of 26641281460 is 6418214662.

It can be written as a sum of positive squares in 2 ways, for example, as 6862796964 + 19778484496 = 82842^2 + 140636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26641281461) 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 3 ways as a sum of consecutive naturals, for example, 666032017 + ... + 666032056.

It is an arithmetic number, because the mean of its divisors is an integer number (4662224259).

Almost surely, 2^26641281460 is an apocalyptic number.

26641281460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26641281460 is an abundant number, since it is smaller than the sum of its proper divisors (29305409648).

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

26641281460 is a wasteful number, since it uses less digits than its factorization.

26641281460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332064082 (or 1332064080 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 26641281460 in words is "twenty-six billion, six hundred forty-one million, two hundred eighty-one thousand, four hundred sixty".