1944432344442 has 32 divisors (see below), whose sum is σ = 4444471769472. Its totient is φ = 555545225664.

The previous prime is 1944432344441. The next prime is 1944432344443. The reversal of 1944432344442 is 2444432344491.

It is an interprime number because it is at equal distance from previous prime (1944432344441) and next prime (1944432344443).

It is a super-2 number, since 2×1944432344442² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1944432344391 and 1944432344400.

It is not an unprimeable number, because it can be changed into a prime (1944432344441) 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, 3853008 + ... + 4328340.

It is an arithmetic number, because the mean of its divisors is an integer number (138889742796).

Almost surely, 2^{1944432344442} is an apocalyptic number.

1944432344442 is an abundant number, since it is smaller than the sum of its proper divisors (2500039425030).

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

1944432344442 is a wasteful number, since it uses less digits than its factorization.

1944432344442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572742.

The product of its digits is 5308416, while the sum is 48.

The spelling of 1944432344442 in words is "one trillion, nine hundred forty-four billion, four hundred thirty-two million, three hundred forty-four thousand, four hundred forty-two".