242144421233430 has 64 divisors (see below), whose sum is σ = 595650070241280. Its totient is φ = 62977585434624.

The previous prime is 242144421233419. The next prime is 242144421233443. The reversal of 242144421233430 is 34332124441242.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538376619 + ... + 538826198.

It is an arithmetic number, because the mean of its divisors is an integer number (9307032347520).

Almost surely, 2^{242144421233430} is an apocalyptic number.

242144421233430 is an abundant number, since it is smaller than the sum of its proper divisors (353505649007850).

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

242144421233430 is a wasteful number, since it uses less digits than its factorization.

242144421233430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077203013.

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 242144421233430 its reverse (34332124441242), we get a palindrome (276476545674672).

The spelling of 242144421233430 in words is "two hundred forty-two trillion, one hundred forty-four billion, four hundred twenty-one million, two hundred thirty-three thousand, four hundred thirty".