26280646668482 has 8 divisors (see below), whose sum is σ = 39421623140796. Its totient is φ = 13140105621552.

The previous prime is 26280646668439. The next prime is 26280646668491. The reversal of 26280646668482 is 28486664608262.

It can be written as a sum of positive squares in 2 ways, for example, as 25994080236721 + 286566431761 = 5098439^2 + 535319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×26280646668482² (a number of 28 digits) contains 22 as substring.

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, 108705413 + ... + 108946904.

Almost surely, 2^{26280646668482} is an apocalyptic number.

26280646668482 is a deficient number, since it is larger than the sum of its proper divisors (13140976472314).

26280646668482 is a wasteful number, since it uses less digits than its factorization.

26280646668482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217712692.

The product of its (nonzero) digits is 509607936, while the sum is 68.

The spelling of 26280646668482 in words is "twenty-six trillion, two hundred eighty billion, six hundred forty-six million, six hundred sixty-eight thousand, four hundred eighty-two".