1140423440242 has 8 divisors (see below), whose sum is σ = 1725773524956. Its totient is φ = 565165598592.

The previous prime is 1140423440239. The next prime is 1140423440269. The reversal of 1140423440242 is 2420443240411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1039622905161 + 100800535081 = 1019619^2 + 317491^2 .

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

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, 2523060483 + ... + 2523060934.

Almost surely, 2^{1140423440242} is an apocalyptic number.

1140423440242 is a deficient number, since it is larger than the sum of its proper divisors (585350084714).

1140423440242 is a wasteful number, since it uses less digits than its factorization.

1140423440242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046121532.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 1140423440242 its reverse (2420443240411), we get a palindrome (3560866680653).

The spelling of 1140423440242 in words is "one trillion, one hundred forty billion, four hundred twenty-three million, four hundred forty thousand, two hundred forty-two".