32142444444 has 144 divisors (see below), whose sum is σ = 90922575744. Its totient is φ = 9489916800.

The previous prime is 32142444431. The next prime is 32142444469. The reversal of 32142444444 is 44444424123.

It is a happy number.

32142444444 is a `hidden beast` number, since 32 + 142 + 4 + 44 + 444 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 32142444399 and 32142444408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7541274 + ... + 7545534.

It is an arithmetic number, because the mean of its divisors is an integer number (631406776).

Almost surely, 2^32142444444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32142444444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45461287872).

32142444444 is an abundant number, since it is smaller than the sum of its proper divisors (58780131300).

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

32142444444 is a wasteful number, since it uses less digits than its factorization.

32142444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768 (or 4763 counting only the distinct ones).

The product of its digits is 196608, while the sum is 36.

Adding to 32142444444 its reverse (44444424123), we get a palindrome (76586868567).

The spelling of 32142444444 in words is "thirty-two billion, one hundred forty-two million, four hundred forty-four thousand, four hundred forty-four".