42004042430 has 32 divisors (see below), whose sum is σ = 88743681216. Its totient is φ = 14012158464.

The previous prime is 42004042403. The next prime is 42004042489. The reversal of 42004042430 is 3424040024.

It is a super-2 number, since 2×42004042430² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42004042396 and 42004042405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8106299 + ... + 8111478.

It is an arithmetic number, because the mean of its divisors is an integer number (2773240038).

Almost surely, 2^42004042430 is an apocalyptic number.

42004042430 is an abundant number, since it is smaller than the sum of its proper divisors (46739638786).

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

42004042430 is a wasteful number, since it uses less digits than its factorization.

42004042430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16217828.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 42004042430 its reverse (3424040024), we get a palindrome (45428082454).

The spelling of 42004042430 in words is "forty-two billion, four million, forty-two thousand, four hundred thirty".