42043434402 has 8 divisors (see below), whose sum is σ = 84086868816. Its totient is φ = 14014478132.

The previous prime is 42043434401. The next prime is 42043434431. The reversal of 42043434402 is 20443434024.

It is a sphenic number, since it is the product of 3 distinct primes.

42043434402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 42043434402.

It is not an unprimeable number, because it can be changed into a prime (42043434401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3503619528 + ... + 3503619539.

It is an arithmetic number, because the mean of its divisors is an integer number (10510858602).

Almost surely, 2^42043434402 is an apocalyptic number.

42043434402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42043434402 is a wasteful number, since it uses less digits than its factorization.

42043434402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007239072.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 42043434402 its reverse (20443434024), we get a palindrome (62486868426).

The spelling of 42043434402 in words is "forty-two billion, forty-three million, four hundred thirty-four thousand, four hundred two".