42142345435340 has 24 divisors (see below), whose sum is σ = 88700517517920. Its totient is φ = 16818539678208.

The previous prime is 42142345435313. The next prime is 42142345435357. The reversal of 42142345435340 is 4353454324124.

It is a junction number, because it is equal to n+sod(n) for n = 42142345435291 and 42142345435300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2399896997 + ... + 2399914556.

It is an arithmetic number, because the mean of its divisors is an integer number (3695854896580).

Almost surely, 2^{42142345435340} is an apocalyptic number.

It is an amenable number.

42142345435340 is an abundant number, since it is smaller than the sum of its proper divisors (46558172082580).

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

42142345435340 is a wasteful number, since it uses less digits than its factorization.

42142345435340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799812001 (or 4799811999 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 44.

Adding to 42142345435340 its reverse (4353454324124), we get a palindrome (46495799759464).

The spelling of 42142345435340 in words is "forty-two trillion, one hundred forty-two billion, three hundred forty-five million, four hundred thirty-five thousand, three hundred forty".