27394331760 has 160 divisors (see below), whose sum is σ = 99908873280. Its totient is φ = 6875430912.

The previous prime is 27394331749. The next prime is 27394331771. The reversal of 27394331760 is 6713349372.

It is a happy number.

27394331760 is a `hidden beast` number, since 273 + 9 + 4 + 3 + 317 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (27394331749) and next prime (27394331771).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336297 + ... + 409736.

It is an arithmetic number, because the mean of its divisors is an integer number (624430458).

Almost surely, 2^27394331760 is an apocalyptic number.

27394331760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27394331760 is an abundant number, since it is smaller than the sum of its proper divisors (72514541520).

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

27394331760 is a wasteful number, since it uses less digits than its factorization.

27394331760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746072 (or 746060 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The spelling of 27394331760 in words is "twenty-seven billion, three hundred ninety-four million, three hundred thirty-one thousand, seven hundred sixty".