26246165116240 has 20 divisors (see below), whose sum is σ = 61022333895444. Its totient is φ = 10498466046464.

The previous prime is 26246165116207. The next prime is 26246165116337. The reversal of 26246165116240 is 4261156164262.

It can be written as a sum of positive squares in 2 ways, for example, as 20736948718656 + 5509216397584 = 4553784^2 + 2347172^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×26246165116240² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164038531897 + ... + 164038532056.

Almost surely, 2^{26246165116240} is an apocalyptic number.

26246165116240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26246165116240 is an abundant number, since it is smaller than the sum of its proper divisors (34776168779204).

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

26246165116240 is a wasteful number, since it uses less digits than its factorization.

26246165116240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328077063966 (or 328077063960 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 26246165116240 in words is "twenty-six trillion, two hundred forty-six billion, one hundred sixty-five million, one hundred sixteen thousand, two hundred forty".