1142242040000 has 140 divisors (see below), whose sum is σ = 2868249991200. Its totient is φ = 451112064000.

The previous prime is 1142242039943. The next prime is 1142242040059. The reversal of 1142242040000 is 402422411.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 19 ways as a sum of consecutive naturals, for example, 2979266 + ... + 3340734.

Almost surely, 2^{1142242040000} is an apocalyptic number.

1142242040000 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 1142242040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434124995600).

1142242040000 is an abundant number, since it is smaller than the sum of its proper divisors (1726007951200).

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

1142242040000 is an frugal number, since it uses more digits than its factorization.

1142242040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361580 (or 361555 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1142242040000 its reverse (402422411), we get a palindrome (1142644462411).

The spelling of 1142242040000 in words is "one trillion, one hundred forty-two billion, two hundred forty-two million, forty thousand".