1442220105352 has 16 divisors (see below), whose sum is σ = 2912175212940. Its totient is φ = 665640048576.

The previous prime is 1442220105299. The next prime is 1442220105383. The reversal of 1442220105352 is 2535010222441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1389913670916 + 52306434436 = 1178946^2 + 228706^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6933750403 + ... + 6933750610.

Almost surely, 2^{1442220105352} is an apocalyptic number.

It is an amenable number.

1442220105352 is an abundant number, since it is smaller than the sum of its proper divisors (1469955107588).

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

1442220105352 is a wasteful number, since it uses less digits than its factorization.

1442220105352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13867501032 (or 13867501028 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 1442220105352 its reverse (2535010222441), we get a palindrome (3977230327793).

The spelling of 1442220105352 in words is "one trillion, four hundred forty-two billion, two hundred twenty million, one hundred five thousand, three hundred fifty-two".