42042013434 has 24 divisors (see below), whose sum is σ = 91472172480. Its totient is φ = 13955367048.

The previous prime is 42042013423. The next prime is 42042013463. The reversal of 42042013434 is 43431024024.

It is a happy number.

42042013434 is a `hidden beast` number, since 4 + 20 + 4 + 201 + 3 + 434 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42042013398 and 42042013407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4882032 + ... + 4890635.

It is an arithmetic number, because the mean of its divisors is an integer number (3811340520).

Almost surely, 2^42042013434 is an apocalyptic number.

42042013434 is an abundant number, since it is smaller than the sum of its proper divisors (49430159046).

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

42042013434 is a wasteful number, since it uses less digits than its factorization.

42042013434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9772914 (or 9772911 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42042013434 its reverse (43431024024), we get a palindrome (85473037458).

The spelling of 42042013434 in words is "forty-two billion, forty-two million, thirteen thousand, four hundred thirty-four".