42142323472 has 40 divisors (see below), whose sum is σ = 84484871640. Its totient is φ = 20340096000.

The previous prime is 42142323409. The next prime is 42142323473. The reversal of 42142323472 is 27432324124.

It can be written as a sum of positive squares in 4 ways, for example, as 802816 + 42141520656 = 896^2 + 205284^2 .

It is not an unprimeable number, because it can be changed into a prime (42142323473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3241978 + ... + 3254950.

It is an arithmetic number, because the mean of its divisors is an integer number (2112121791).

Almost surely, 2^42142323472 is an apocalyptic number.

It is an amenable number.

42142323472 is an abundant number, since it is smaller than the sum of its proper divisors (42342548168).

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

42142323472 is a wasteful number, since it uses less digits than its factorization.

42142323472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20011 (or 20005 counting only the distinct ones).

The product of its digits is 64512, while the sum is 34.

Adding to 42142323472 its reverse (27432324124), we get a palindrome (69574647596).

The spelling of 42142323472 in words is "forty-two billion, one hundred forty-two million, three hundred twenty-three thousand, four hundred seventy-two".