27994357344 has 24 divisors (see below), whose sum is σ = 73485188280. Its totient is φ = 9331452416.

The previous prime is 27994357309. The next prime is 27994357399. The reversal of 27994357344 is 44375349972.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145803849 + ... + 145804040.

It is an arithmetic number, because the mean of its divisors is an integer number (3061882845).

Almost surely, 2^27994357344 is an apocalyptic number.

27994357344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27994357344 is an abundant number, since it is smaller than the sum of its proper divisors (45490830936).

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

27994357344 is a wasteful number, since it uses less digits than its factorization.

27994357344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291607902 (or 291607894 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 57.

The spelling of 27994357344 in words is "twenty-seven billion, nine hundred ninety-four million, three hundred fifty-seven thousand, three hundred forty-four".