27526840345 has 8 divisors (see below), whose sum is σ = 33033264264. Its totient is φ = 22020768384.

The previous prime is 27526840307. The next prime is 27526840423. The reversal of 27526840345 is 54304862572.

It can be written as a sum of positive squares in 4 ways, for example, as 2062340569 + 25464499776 = 45413^2 + 159576^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 27526840345 - 2⁹ = 27526839833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27526840295 and 27526840304.

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, 135847 + ... + 271123.

It is an arithmetic number, because the mean of its divisors is an integer number (4129158033).

Almost surely, 2^27526840345 is an apocalyptic number.

It is an amenable number.

27526840345 is a deficient number, since it is larger than the sum of its proper divisors (5506423919).

27526840345 is a wasteful number, since it uses less digits than its factorization.

27526840345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175979.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 27526840345 in words is "twenty-seven billion, five hundred twenty-six million, eight hundred forty thousand, three hundred forty-five".