27448454690944 has 64 divisors (see below), whose sum is σ = 62494968744000. Its totient is φ = 11763488056320.

The previous prime is 27448454690911. The next prime is 27448454690981. The reversal of 27448454690944 is 44909645484472.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×27448454690944² (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 7 ways as a sum of consecutive naturals, for example, 139049274 + ... + 139246534.

It is an arithmetic number, because the mean of its divisors is an integer number (976483886625).

Almost surely, 2^{27448454690944} is an apocalyptic number.

It is an amenable number.

27448454690944 is an abundant number, since it is smaller than the sum of its proper divisors (35046514053056).

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

27448454690944 is a wasteful number, since it uses less digits than its factorization.

27448454690944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352581 (or 352569 counting only the distinct ones).

The product of its (nonzero) digits is 1114767360, while the sum is 70.

The spelling of 27448454690944 in words is "twenty-seven trillion, four hundred forty-eight billion, four hundred fifty-four million, six hundred ninety thousand, nine hundred forty-four".