27450021266 has 8 divisors (see below), whose sum is σ = 41178770364. Its totient is φ = 13723764480.

The previous prime is 27450021211. The next prime is 27450021307. The reversal of 27450021266 is 66212005472.

It can be written as a sum of positive squares in 2 ways, for example, as 18055565641 + 9394455625 = 134371^2 + 96925^2 .

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

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, 595295 + ... + 639746.

Almost surely, 2^27450021266 is an apocalyptic number.

27450021266 is a deficient number, since it is larger than the sum of its proper divisors (13728749098).

27450021266 is a wasteful number, since it uses less digits than its factorization.

27450021266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246156.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 27450021266 in words is "twenty-seven billion, four hundred fifty million, twenty-one thousand, two hundred sixty-six".