42403312434 has 32 divisors (see below), whose sum is σ = 102023009280. Its totient is φ = 11477588112.

The previous prime is 42403312433. The next prime is 42403312451. The reversal of 42403312434 is 43421330424.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42403312433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26567694 + ... + 26569289.

It is an arithmetic number, because the mean of its divisors is an integer number (3188219040).

Almost surely, 2^42403312434 is an apocalyptic number.

42403312434 is an abundant number, since it is smaller than the sum of its proper divisors (59619696846).

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

42403312434 is a wasteful number, since it uses less digits than its factorization.

42403312434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53137014.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 42403312434 its reverse (43421330424), we get a palindrome (85824642858).

The spelling of 42403312434 in words is "forty-two billion, four hundred three million, three hundred twelve thousand, four hundred thirty-four".