27453835472 has 20 divisors (see below), whose sum is σ = 60790635936. Its totient is φ = 11765929440.

The previous prime is 27453835457. The next prime is 27453835477.

27453835472 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 27453835472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27453835477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122561654 + ... + 122561877.

Almost surely, 2^27453835472 is an apocalyptic number.

It is an amenable number.

27453835472 is an abundant number, since it is smaller than the sum of its proper divisors (33336800464).

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

27453835472 is a wasteful number, since it uses less digits than its factorization.

27453835472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245123546 (or 245123540 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 50.

The spelling of 27453835472 in words is "twenty-seven billion, four hundred fifty-three million, eight hundred thirty-five thousand, four hundred seventy-two".