42102340024 has 16 divisors (see below), whose sum is σ = 79169391000. Its totient is φ = 20990502432.

The previous prime is 42102340019. The next prime is 42102340037. The reversal of 42102340024 is 42004320124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42102339977 and 42102340004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7580499 + ... + 7586050.

Almost surely, 2^42102340024 is an apocalyptic number.

It is an amenable number.

42102340024 is a deficient number, since it is larger than the sum of its proper divisors (37067050976).

42102340024 is a wasteful number, since it uses less digits than its factorization.

42102340024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15166902 (or 15166898 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42102340024 its reverse (42004320124), we get a palindrome (84106660148).

The spelling of 42102340024 in words is "forty-two billion, one hundred two million, three hundred forty thousand, twenty-four".