1944539293344 has 48 divisors (see below), whose sum is σ = 5104558079712. Its totient is φ = 648161677568.

The previous prime is 1944539293343. The next prime is 1944539293351. The reversal of 1944539293344 is 4433929354491.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1944539293343) 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, 3428107 + ... + 3954869.

It is an arithmetic number, because the mean of its divisors is an integer number (106344959994).

Almost surely, 2^{1944539293344} is an apocalyptic number.

It is an amenable number.

1944539293344 is an abundant number, since it is smaller than the sum of its proper divisors (3160018786368).

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

1944539293344 is a wasteful number, since it uses less digits than its factorization.

1944539293344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565229 (or 565221 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 60.

The spelling of 1944539293344 in words is "one trillion, nine hundred forty-four billion, five hundred thirty-nine million, two hundred ninety-three thousand, three hundred forty-four".