3871018338408 has 384 divisors, whose sum is σ = 11775437856000. Its totient is φ = 1141329530880.

The previous prime is 3871018338379. The next prime is 3871018338409. The reversal of 3871018338408 is 8048338101783.

3871018338408 is a `hidden beast` number, since 3 + 87 + 1 + 0 + 183 + 384 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (3871018338409) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 348954910 + ... + 348966002.

It is an arithmetic number, because the mean of its divisors is an integer number (30665202750).

Almost surely, 2^{3871018338408} 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 3871018338408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5887718928000).

3871018338408 is an abundant number, since it is smaller than the sum of its proper divisors (7904419517592).

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

3871018338408 is a wasteful number, since it uses less digits than its factorization.

3871018338408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11337 (or 11330 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 3871018338408 in words is "three trillion, eight hundred seventy-one billion, eighteen million, three hundred thirty-eight thousand, four hundred eight".