27258042026728 has 32 divisors (see below), whose sum is σ = 51563180210760. Its totient is φ = 13507870279680.

The previous prime is 27258042026707. The next prime is 27258042026741. The reversal of 27258042026728 is 82762024085272.

It can be written as a sum of positive squares in 4 ways, for example, as 14910703427844 + 12347338598884 = 3861438^2 + 3513878^2 .

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, 22517326 + ... + 23696962.

Almost surely, 2^{27258042026728} is an apocalyptic number.

It is an amenable number.

27258042026728 is a deficient number, since it is larger than the sum of its proper divisors (24305138184032).

27258042026728 is a wasteful number, since it uses less digits than its factorization.

27258042026728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205317 (or 1205313 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 55.

The spelling of 27258042026728 in words is "twenty-seven trillion, two hundred fifty-eight billion, forty-two million, twenty-six thousand, seven hundred twenty-eight".