27454455445472 has 48 divisors (see below), whose sum is σ = 58965481757952. Its totient is φ = 12479128821120.

The previous prime is 27454455445471. The next prime is 27454455445507.

It is a happy number.

27454455445472 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27454455445471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27609143 + ... + 28586249.

It is an arithmetic number, because the mean of its divisors is an integer number (1228447536624).

Almost surely, 2^{27454455445472} is an apocalyptic number.

27454455445472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27454455445472 is an abundant number, since it is smaller than the sum of its proper divisors (31511026312480).

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

27454455445472 is a wasteful number, since it uses less digits than its factorization.

27454455445472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056951 (or 1056943 counting only the distinct ones).

The product of its digits is 501760000, while the sum is 62.

The spelling of 27454455445472 in words is "twenty-seven trillion, four hundred fifty-four billion, four hundred fifty-five million, four hundred forty-five thousand, four hundred seventy-two".