27621329344 has 112 divisors (see below), whose sum is σ = 68065822720. Its totient is φ = 10852807680.

The previous prime is 27621329339. The next prime is 27621329423. The reversal of 27621329344 is 44392312672.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 27621329344.

It is a congruent number.

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, 211534 + ... + 316210.

It is an arithmetic number, because the mean of its divisors is an integer number (607730560).

Almost surely, 2^27621329344 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 27621329344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34032911360).

27621329344 is an abundant number, since it is smaller than the sum of its proper divisors (40444493376).

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

27621329344 is a wasteful number, since it uses less digits than its factorization.

27621329344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104746 (or 104736 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The spelling of 27621329344 in words is "twenty-seven billion, six hundred twenty-one million, three hundred twenty-nine thousand, three hundred forty-four".