3881078002340 has 192 divisors, whose sum is σ = 10760895774720. Its totient is φ = 1138338109440.

The previous prime is 3881078002261. The next prime is 3881078002379. The reversal of 3881078002340 is 432008701883.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 3881078002291 and 3881078002300.

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, 262813637 + ... + 262828403.

It is an arithmetic number, because the mean of its divisors is an integer number (56046332160).

Almost surely, 2^{3881078002340} 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 3881078002340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5380447887360).

3881078002340 is an abundant number, since it is smaller than the sum of its proper divisors (6879817772380).

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

3881078002340 is a wasteful number, since it uses less digits than its factorization.

3881078002340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24850 (or 24848 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 3881078002340 in words is "three trillion, eight hundred eighty-one billion, seventy-eight million, two thousand, three hundred forty".