242140412 has 48 divisors (see below), whose sum is σ = 453395712. Its totient is φ = 112907520.

The previous prime is 242140403. The next prime is 242140433. The reversal of 242140412 is 214041242.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004612 + ... + 1004852.

It is an arithmetic number, because the mean of its divisors is an integer number (9445744).

Almost surely, 2^242140412 is an apocalyptic number.

It is an amenable number.

242140412 is a deficient number, since it is larger than the sum of its proper divisors (211255300).

242140412 is a wasteful number, since it uses less digits than its factorization.

242140412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 242140412 is about 15560.8615442719. The cubic root of 242140412 is about 623.2884689098.

Adding to 242140412 its reverse (214041242), we get a palindrome (456181654).

The spelling of 242140412 in words is "two hundred forty-two million, one hundred forty thousand, four hundred twelve".