242140404342 has 32 divisors (see below), whose sum is σ = 498110836608. Its totient is φ = 78427915776.

The previous prime is 242140404307. The next prime is 242140404343. The reversal of 242140404342 is 243404041242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242140404343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2381628 + ... + 2481215.

It is an arithmetic number, because the mean of its divisors is an integer number (15565963644).

Almost surely, 2^242140404342 is an apocalyptic number.

242140404342 is an abundant number, since it is smaller than the sum of its proper divisors (255970432266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242140404342 is a wasteful number, since it uses less digits than its factorization.

242140404342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863084.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 242140404342 its reverse (243404041242), we get a palindrome (485544445584).

The spelling of 242140404342 in words is "two hundred forty-two billion, one hundred forty million, four hundred four thousand, three hundred forty-two".