42242440024 has 16 divisors (see below), whose sum is σ = 80320133520. Its totient is φ = 20823737760.

The previous prime is 42242440003. The next prime is 42242440073. The reversal of 42242440024 is 42004424224.

It is a junction number, because it is equal to n+sod(n) for n = 42242439974 and 42242440001.

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, 37184679 + ... + 37185814.

It is an arithmetic number, because the mean of its divisors is an integer number (5020008345).

Almost surely, 2^42242440024 is an apocalyptic number.

It is an amenable number.

42242440024 is a deficient number, since it is larger than the sum of its proper divisors (38077693496).

42242440024 is a wasteful number, since it uses less digits than its factorization.

42242440024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74370570 (or 74370566 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 42242440024 its reverse (42004424224), we get a palindrome (84246864248).

The spelling of 42242440024 in words is "forty-two billion, two hundred forty-two million, four hundred forty thousand, twenty-four".