242142040024340 has 24 divisors (see below), whose sum is σ = 508556180160000. Its totient is φ = 96845788179488.

The previous prime is 242142040024319. The next prime is 242142040024411. The reversal of 242142040024340 is 43420040241242.

It is a junction number, because it is equal to n+sod(n) for n = 242142040024297 and 242142040024306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689059340 + ... + 689410659.

It is an arithmetic number, because the mean of its divisors is an integer number (21189840840000).

Almost surely, 2^{242142040024340} is an apocalyptic number.

242142040024340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242142040024340 is an abundant number, since it is smaller than the sum of its proper divisors (266414140135660).

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

242142040024340 is a wasteful number, since it uses less digits than its factorization.

242142040024340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378478791 (or 1378478789 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 242142040024340 its reverse (43420040241242), we get a palindrome (285562080265582).

The spelling of 242142040024340 in words is "two hundred forty-two trillion, one hundred forty-two billion, forty million, twenty-four thousand, three hundred forty".