142244040000000 has 320 divisors, whose sum is σ = 473682952993536. Its totient is φ = 37931712000000.

The previous prime is 142244039999993. The next prime is 142244040000043. The reversal of 142244040000000 is 40442241.

It is a tau number, because it is divible by the number of its divisors (320).

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 31 ways as a sum of consecutive naturals, for example, 119407317 + ... + 120592683.

Almost surely, 2^{142244040000000} is an apocalyptic number.

142244040000000 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 142244040000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236841476496768).

142244040000000 is an abundant number, since it is smaller than the sum of its proper divisors (331438912993536).

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

142244040000000 is an frugal number, since it uses more digits than its factorization.

142244040000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185423 (or 1185377 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 142244040000000 its reverse (40442241), we get a palindrome (142244080442241).

The spelling of 142244040000000 in words is "one hundred forty-two trillion, two hundred forty-four billion, forty million", and thus it is an aban number.