1944387711968 has 48 divisors (see below), whose sum is σ = 4164975707760. Its totient is φ = 888158048256.

The previous prime is 1944387711961. The next prime is 1944387711977. The reversal of 1944387711968 is 8691177834491.

It is a hoax number, since the sum of its digits (68) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1944387711898 and 1944387711907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944387711961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24052478 + ... + 24133181.

It is an arithmetic number, because the mean of its divisors is an integer number (86770327245).

Almost surely, 2^{1944387711968} is an apocalyptic number.

It is an amenable number.

1944387711968 is an abundant number, since it is smaller than the sum of its proper divisors (2220587995792).

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

1944387711968 is a wasteful number, since it uses less digits than its factorization.

1944387711968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48185779 (or 48185771 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 68.

The spelling of 1944387711968 in words is "one trillion, nine hundred forty-four billion, three hundred eighty-seven million, seven hundred eleven thousand, nine hundred sixty-eight".