1240324342 has 8 divisors (see below), whose sum is σ = 1861060032. Its totient is φ = 619971000.

The previous prime is 1240324331. The next prime is 1240324399. The reversal of 1240324342 is 2434230421.

It is a happy number.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 87334 + ... + 100537.

It is an arithmetic number, because the mean of its divisors is an integer number (232632504).

Almost surely, 2^1240324342 is an apocalyptic number.

1240324342 is a deficient number, since it is larger than the sum of its proper divisors (620735690).

1240324342 is a wasteful number, since it uses less digits than its factorization.

1240324342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191174.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1240324342 is about 35218.2387691378. The cubic root of 1240324342 is about 1074.4307328862.

Adding to 1240324342 its reverse (2434230421), we get a palindrome (3674554763).

The spelling of 1240324342 in words is "one billion, two hundred forty million, three hundred twenty-four thousand, three hundred forty-two".