1939872256112 has 80 divisors (see below), whose sum is σ = 4306837201920. Its totient is φ = 829167722496.

The previous prime is 1939872256081. The next prime is 1939872256117. The reversal of 1939872256112 is 2116522789391.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939872256117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170263088 + ... + 170274480.

It is an arithmetic number, because the mean of its divisors is an integer number (53835465024).

Almost surely, 2^{1939872256112} is an apocalyptic number.

It is an amenable number.

1939872256112 is an abundant number, since it is smaller than the sum of its proper divisors (2366964945808).

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

1939872256112 is a wasteful number, since it uses less digits than its factorization.

1939872256112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15310 (or 15304 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 56.

The spelling of 1939872256112 in words is "one trillion, nine hundred thirty-nine billion, eight hundred seventy-two million, two hundred fifty-six thousand, one hundred twelve".