27045745042860 has 144 divisors (see below), whose sum is σ = 82095560479296. Its totient is φ = 7207207128576.

The previous prime is 27045745042831. The next prime is 27045745042861. The reversal of 27045745042860 is 6824054754072.

27045745042860 is a `hidden beast` number, since 2 + 7 + 0 + 4 + 5 + 74 + 504 + 2 + 8 + 60 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 27045745042797 and 27045745042806.

It is not an unprimeable number, because it can be changed into a prime (27045745042861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2178818014 + ... + 2178830426.

It is an arithmetic number, because the mean of its divisors is an integer number (570108058884).

Almost surely, 2^{27045745042860} is an apocalyptic number.

27045745042860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27045745042860 is an abundant number, since it is smaller than the sum of its proper divisors (55049815436436).

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

27045745042860 is a wasteful number, since it uses less digits than its factorization.

27045745042860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19832 (or 19827 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 54.

The spelling of 27045745042860 in words is "twenty-seven trillion, forty-five billion, seven hundred forty-five million, forty-two thousand, eight hundred sixty".