27455666655472 has 40 divisors (see below), whose sum is σ = 58217891352192. Its totient is φ = 12439720324800.

The previous prime is 27455666655467. The next prime is 27455666655511.

27455666655472 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250746078 + ... + 250855549.

Almost surely, 2^{27455666655472} is an apocalyptic number.

27455666655472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27455666655472 is an abundant number, since it is smaller than the sum of its proper divisors (30762224696720).

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

27455666655472 is a wasteful number, since it uses less digits than its factorization.

27455666655472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501601957 (or 501601951 counting only the distinct ones).

The product of its digits is 2540160000, while the sum is 70.

The spelling of 27455666655472 in words is "twenty-seven trillion, four hundred fifty-five billion, six hundred sixty-six million, six hundred fifty-five thousand, four hundred seventy-two".