18754140384 has 384 divisors, whose sum is σ = 67495680000. Its totient is φ = 4947554304.

The previous prime is 18754140331. The next prime is 18754140421. The reversal of 18754140384 is 48304145781.

18754140384 is a `hidden beast` number, since 1 + 87 + 54 + 140 + 384 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4031692 + ... + 4036340.

It is an arithmetic number, because the mean of its divisors is an integer number (175770000).

Almost surely, 2^18754140384 is an apocalyptic number.

18754140384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18754140384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33747840000).

18754140384 is an abundant number, since it is smaller than the sum of its proper divisors (48741539616).

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

18754140384 is a wasteful number, since it uses less digits than its factorization.

18754140384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727 (or 4713 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 18754140384 in words is "eighteen billion, seven hundred fifty-four million, one hundred forty thousand, three hundred eighty-four".