27194940160 has 144 divisors (see below), whose sum is σ = 68962924800. Its totient is φ = 10246238208.

The previous prime is 27194940139. The next prime is 27194940161. The reversal of 27194940160 is 6104949172.

It is not an unprimeable number, because it can be changed into a prime (27194940161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4350157 + ... + 4356403.

It is an arithmetic number, because the mean of its divisors is an integer number (478909200).

Almost surely, 2^27194940160 is an apocalyptic number.

27194940160 is a gapful number since it is divisible by the number (20) 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 27194940160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34481462400).

27194940160 is an abundant number, since it is smaller than the sum of its proper divisors (41767984640).

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

27194940160 is a wasteful number, since it uses less digits than its factorization.

27194940160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466 (or 6452 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 27194940160 in words is "twenty-seven billion, one hundred ninety-four million, nine hundred forty thousand, one hundred sixty".