18886875424 has 48 divisors (see below), whose sum is σ = 39441372768. Its totient is φ = 8872010752.

The previous prime is 18886875401. The next prime is 18886875437. The reversal of 18886875424 is 42457868881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275439 + ... + 337105.

It is an arithmetic number, because the mean of its divisors is an integer number (821695266).

Almost surely, 2^18886875424 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 18886875424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19720686384).

18886875424 is an abundant number, since it is smaller than the sum of its proper divisors (20554497344).

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

18886875424 is a wasteful number, since it uses less digits than its factorization.

18886875424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62257 (or 62249 counting only the distinct ones).

The product of its digits is 27525120, while the sum is 61.

The spelling of 18886875424 in words is "eighteen billion, eight hundred eighty-six million, eight hundred seventy-five thousand, four hundred twenty-four".