27427755404 has 48 divisors (see below), whose sum is σ = 56402982720. Its totient is φ = 11425290240.

The previous prime is 27427755391. The next prime is 27427755431. The reversal of 27427755404 is 40455772472.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264404 + ... + 353220.

It is an arithmetic number, because the mean of its divisors is an integer number (1175062140).

Almost surely, 2^27427755404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27427755404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28201491360).

27427755404 is an abundant number, since it is smaller than the sum of its proper divisors (28975227316).

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

27427755404 is a wasteful number, since it uses less digits than its factorization.

27427755404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89138 (or 89136 counting only the distinct ones).

The product of its (nonzero) digits is 2195200, while the sum is 47.

The spelling of 27427755404 in words is "twenty-seven billion, four hundred twenty-seven million, seven hundred fifty-five thousand, four hundred four".