27457075472 has 20 divisors (see below), whose sum is σ = 54914151936. Its totient is φ = 13285681440.

The previous prime is 27457075453. The next prime is 27457075501.

27457075472 is nontrivially palindromic in base 10.

27457075472 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 27457075472.

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, 27678008 + ... + 27678999.

Almost surely, 2^27457075472 is an apocalyptic number.

It is an amenable number.

27457075472 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27457075472 is a wasteful number, since it uses less digits than its factorization.

27457075472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55357046 (or 55357040 counting only the distinct ones).

The product of its (nonzero) digits is 3841600, while the sum is 50.

The spelling of 27457075472 in words is "twenty-seven billion, four hundred fifty-seven million, seventy-five thousand, four hundred seventy-two".