32444223142 has 4 divisors (see below), whose sum is σ = 48666334716. Its totient is φ = 16222111570.

The previous prime is 32444223127. The next prime is 32444223181. The reversal of 32444223142 is 24132244423.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8111055784 + ... + 8111055787.

It is an arithmetic number, because the mean of its divisors is an integer number (12166583679).

Almost surely, 2^32444223142 is an apocalyptic number.

32444223142 is a deficient number, since it is larger than the sum of its proper divisors (16222111574).

32444223142 is a wasteful number, since it uses less digits than its factorization.

32444223142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16222111573.

The product of its digits is 36864, while the sum is 31.

Adding to 32444223142 its reverse (24132244423), we get a palindrome (56576467565).

The spelling of 32444223142 in words is "thirty-two billion, four hundred forty-four million, two hundred twenty-three thousand, one hundred forty-two".