2018637868032 has 264 divisors, whose sum is σ = 6083657798400. Its totient is φ = 644075028480.

The previous prime is 2018637867973. The next prime is 2018637868069. The reversal of 2018637868032 is 2308687368102.

2018637868032 is a `hidden beast` number, since 2 + 0 + 186 + 378 + 68 + 0 + 32 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2018637868032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19975969 + ... + 20076767.

Almost surely, 2^{2018637868032} 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 2018637868032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3041828899200).

2018637868032 is an abundant number, since it is smaller than the sum of its proper divisors (4065019930368).

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

2018637868032 is a wasteful number, since it uses less digits than its factorization.

2018637868032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100919 (or 100898 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 2018637868032 in words is "two trillion, eighteen billion, six hundred thirty-seven million, eight hundred sixty-eight thousand, thirty-two".