42242422431 has 32 divisors (see below), whose sum is σ = 63013420800. Its totient is φ = 24950016000.

The previous prime is 42242422423. The next prime is 42242422447. The reversal of 42242422431 is 13422424224.

It is a happy number.

It is not a de Polignac number, because 42242422431 - 2³ = 42242422423 is a prime.

It is a super-2 number, since 2×42242422431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42242422451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603981 + ... + 670281.

It is an arithmetic number, because the mean of its divisors is an integer number (1969169400).

Almost surely, 2^42242422431 is an apocalyptic number.

42242422431 is a deficient number, since it is larger than the sum of its proper divisors (20770998369).

42242422431 is a wasteful number, since it uses less digits than its factorization.

42242422431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66807.

The product of its digits is 24576, while the sum is 30.

Adding to 42242422431 its reverse (13422424224), we get a palindrome (55664846655).

The spelling of 42242422431 in words is "forty-two billion, two hundred forty-two million, four hundred twenty-two thousand, four hundred thirty-one".