1140240042442 has 8 divisors (see below), whose sum is σ = 1710368480196. Its totient is φ = 570117215712.

The previous prime is 1140240042439. The next prime is 1140240042451. The reversal of 1140240042442 is 2442400420411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1041989766841 + 98250275601 = 1020779^2 + 313449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1140240042442² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1140240042442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851373 + ... + 1733584.

Almost surely, 2^{1140240042442} is an apocalyptic number.

1140240042442 is a deficient number, since it is larger than the sum of its proper divisors (570128437754).

1140240042442 is a wasteful number, since it uses less digits than its factorization.

1140240042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805512.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 1140240042442 its reverse (2442400420411), we get a palindrome (3582640462853).

The spelling of 1140240042442 in words is "one trillion, one hundred forty billion, two hundred forty million, forty-two thousand, four hundred forty-two".