27454325544 has 96 divisors (see below), whose sum is σ = 79722249600. Its totient is φ = 8753516640.

The previous prime is 27454325477. The next prime is 27454325599. The reversal of 27454325544 is 44552345472.

27454325544 is a `hidden beast` number, since 2 + 7 + 45 + 43 + 25 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 27454325544.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5872 + ... + 234399.

It is an arithmetic number, because the mean of its divisors is an integer number (830440100).

Almost surely, 2^27454325544 is an apocalyptic number.

27454325544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27454325544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39861124800).

27454325544 is an abundant number, since it is smaller than the sum of its proper divisors (52267924056).

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

27454325544 is a wasteful number, since it uses less digits than its factorization.

27454325544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240332 (or 240299 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 45.

The spelling of 27454325544 in words is "twenty-seven billion, four hundred fifty-four million, three hundred twenty-five thousand, five hundred forty-four".