18827652018944 has 72 divisors (see below), whose sum is σ = 37978289704992. Its totient is φ = 9314651750400.

The previous prime is 18827652018859. The next prime is 18827652018953. The reversal of 18827652018944 is 44981025672881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31370702 + ... + 31965234.

Almost surely, 2^{18827652018944} 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 18827652018944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18989144852496).

18827652018944 is an abundant number, since it is smaller than the sum of its proper divisors (19150637686048).

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

18827652018944 is a wasteful number, since it uses less digits than its factorization.

18827652018944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595853 (or 595839 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 65.

The spelling of 18827652018944 in words is "eighteen trillion, eight hundred twenty-seven billion, six hundred fifty-two million, eighteen thousand, nine hundred forty-four".