142211140240 has 160 divisors (see below), whose sum is σ = 362004017760. Its totient is φ = 51641597952.

The previous prime is 142211140199. The next prime is 142211140243. The reversal of 142211140240 is 42041112241.

It can be written as a sum of positive squares in 16 ways, for example, as 61927317904 + 80283822336 = 248852^2 + 283344^2 .

It is not an unprimeable number, because it can be changed into a prime (142211140243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15525742 + ... + 15534898.

It is an arithmetic number, because the mean of its divisors is an integer number (2262525111).

Almost surely, 2^142211140240 is an apocalyptic number.

142211140240 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 142211140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181002008880).

142211140240 is an abundant number, since it is smaller than the sum of its proper divisors (219792877520).

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

142211140240 is a wasteful number, since it uses less digits than its factorization.

142211140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9429 (or 9423 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 142211140240 its reverse (42041112241), we get a palindrome (184252252481).

The spelling of 142211140240 in words is "one hundred forty-two billion, two hundred eleven million, one hundred forty thousand, two hundred forty".