3881163840 has 112 divisors (see below), whose sum is σ = 12655856832. Its totient is φ = 1006995456.

The previous prime is 3881163817. The next prime is 3881163863. The reversal of 3881163840 is 483611883.

3881163840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3881163817) and next prime (3881163863).

It is a super-3 number, since 3×3881163840³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3881163792 and 3881163801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19114 + ... + 90153.

Almost surely, 2^3881163840 is an apocalyptic number.

3881163840 is a gapful number since it is divisible by the number (30) 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 3881163840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6327928416).

3881163840 is an abundant number, since it is smaller than the sum of its proper divisors (8774692992).

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

3881163840 is a wasteful number, since it uses less digits than its factorization.

3881163840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109324 (or 109314 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 3881163840 is about 62298.9874717078. The cubic root of 3881163840 is about 1571.5227008235.

The spelling of 3881163840 in words is "three billion, eight hundred eighty-one million, one hundred sixty-three thousand, eight hundred forty".