3278158340112 has 160 divisors (see below), whose sum is σ = 10013100192000. Its totient is φ = 1023273326592.

The previous prime is 3278158340059. The next prime is 3278158340123. The reversal of 3278158340112 is 2110438518723.

3278158340112 is a `hidden beast` number, since 3 + 27 + 8 + 1 + 583 + 40 + 1 + 1 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339918 + ... + 2582994.

It is an arithmetic number, because the mean of its divisors is an integer number (62581876200).

Almost surely, 2^{3278158340112} 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 3278158340112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5006550096000).

3278158340112 is an abundant number, since it is smaller than the sum of its proper divisors (6734941851888).

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

3278158340112 is a wasteful number, since it uses less digits than its factorization.

3278158340112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243310 (or 2243298 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 3278158340112 in words is "three trillion, two hundred seventy-eight billion, one hundred fifty-eight million, three hundred forty thousand, one hundred twelve".