2440342230142 has 8 divisors (see below), whose sum is σ = 3664184876136. Its totient is φ = 1218947271432.

The previous prime is 2440342230121. The next prime is 2440342230149. The reversal of 2440342230142 is 2410322430442.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440342230149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611919328 + ... + 611923315.

It is an arithmetic number, because the mean of its divisors is an integer number (458023109517).

Almost surely, 2^{2440342230142} is an apocalyptic number.

2440342230142 is a deficient number, since it is larger than the sum of its proper divisors (1223842645994).

2440342230142 is a wasteful number, since it uses less digits than its factorization.

2440342230142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223843642.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 2440342230142 its reverse (2410322430442), we get a palindrome (4850664660584).

The spelling of 2440342230142 in words is "two trillion, four hundred forty billion, three hundred forty-two million, two hundred thirty thousand, one hundred forty-two".