42434304225 has 12 divisors (see below), whose sum is σ = 70158049776. Its totient is φ = 22631628880.

The previous prime is 42434304221. The next prime is 42434304233. The reversal of 42434304225 is 52240343424.

It is not a de Polignac number, because 42434304225 - 2² = 42434304221 is a prime.

It is a super-4 number, since 4×42434304225⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (42434304221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282895287 + ... + 282895436.

It is an arithmetic number, because the mean of its divisors is an integer number (5846504148).

Almost surely, 2^42434304225 is an apocalyptic number.

It is an amenable number.

42434304225 is a deficient number, since it is larger than the sum of its proper divisors (27723745551).

42434304225 is a wasteful number, since it uses less digits than its factorization.

42434304225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565790736 (or 565790731 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 42434304225 its reverse (52240343424), we get a palindrome (94674647649).

The spelling of 42434304225 in words is "forty-two billion, four hundred thirty-four million, three hundred four thousand, two hundred twenty-five".