2938256178912 has 216 divisors, whose sum is σ = 8867362041720. Its totient is φ = 922738106880.

The previous prime is 2938256178887. The next prime is 2938256178943. The reversal of 2938256178912 is 2198716528392.

2938256178912 is a `hidden beast` number, since 2 + 9 + 3 + 8 + 2 + 5 + 617 + 8 + 9 + 1 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2938256178912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18740139 + ... + 18896277.

It is an arithmetic number, because the mean of its divisors is an integer number (41052602045).

Almost surely, 2^{2938256178912} 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 2938256178912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4433681020860).

2938256178912 is an abundant number, since it is smaller than the sum of its proper divisors (5929105862808).

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

2938256178912 is a wasteful number, since it uses less digits than its factorization.

2938256178912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156374 (or 156344 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The spelling of 2938256178912 in words is "two trillion, nine hundred thirty-eight billion, two hundred fifty-six million, one hundred seventy-eight thousand, nine hundred twelve".