1944128595426 has 16 divisors (see below), whose sum is σ = 4092902306400. Its totient is φ = 613935345888.

The previous prime is 1944128595413. The next prime is 1944128595439. The reversal of 1944128595426 is 6245958214491.

It is an interprime number because it is at equal distance from previous prime (1944128595413) and next prime (1944128595439).

It is a self number, because there is not a number n which added to its sum of digits gives 1944128595426.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8526879691 + ... + 8526879918.

It is an arithmetic number, because the mean of its divisors is an integer number (255806394150).

Almost surely, 2^{1944128595426} is an apocalyptic number.

1944128595426 is an abundant number, since it is smaller than the sum of its proper divisors (2148773710974).

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

1944128595426 is a wasteful number, since it uses less digits than its factorization.

1944128595426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17053759633.

The product of its digits is 24883200, while the sum is 60.

The spelling of 1944128595426 in words is "one trillion, nine hundred forty-four billion, one hundred twenty-eight million, five hundred ninety-five thousand, four hundred twenty-six".