42431210042 has 32 divisors (see below), whose sum is σ = 70836066000. Its totient is φ = 18936852480.

The previous prime is 42431210011. The next prime is 42431210047. The reversal of 42431210042 is 24001213424.

It can be written as a sum of positive squares in 8 ways, for example, as 3417454681 + 39013755361 = 58459^2 + 197519^2 .

It is not an unprimeable number, because it can be changed into a prime (42431210047) 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, 55667 + ... + 296582.

Almost surely, 2^42431210042 is an apocalyptic number.

42431210042 is a deficient number, since it is larger than the sum of its proper divisors (28404855958).

42431210042 is a wasteful number, since it uses less digits than its factorization.

42431210042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352418.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42431210042 its reverse (24001213424), we get a palindrome (66432423466).

The spelling of 42431210042 in words is "forty-two billion, four hundred thirty-one million, two hundred ten thousand, forty-two".