1443442142220 has 192 divisors, whose sum is σ = 4378225872384. Its totient is φ = 353215457280.

The previous prime is 1443442142209. The next prime is 1443442142237. The reversal of 1443442142220 is 222412443441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 156840139 + ... + 156849341.

It is an arithmetic number, because the mean of its divisors is an integer number (22803259752).

Almost surely, 2^{1443442142220} is an apocalyptic number.

1443442142220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1443442142220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2189112936192).

1443442142220 is an abundant number, since it is smaller than the sum of its proper divisors (2934783730164).

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

1443442142220 is a wasteful number, since it uses less digits than its factorization.

1443442142220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10392 (or 10390 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 1443442142220 its reverse (222412443441), we get a palindrome (1665854585661).

The spelling of 1443442142220 in words is "one trillion, four hundred forty-three billion, four hundred forty-two million, one hundred forty-two thousand, two hundred twenty".