32420272442 has 16 divisors (see below), whose sum is σ = 48810021120. Its totient is φ = 16150296912.

The previous prime is 32420272411. The next prime is 32420272447. The reversal of 32420272442 is 24427202423.

It is a junction number, because it is equal to n+sod(n) for n = 32420272399 and 32420272408.

It is not an unprimeable number, because it can be changed into a prime (32420272447) 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, 3290159 + ... + 3299997.

It is an arithmetic number, because the mean of its divisors is an integer number (3050626320).

Almost surely, 2^32420272442 is an apocalyptic number.

32420272442 is a deficient number, since it is larger than the sum of its proper divisors (16389748678).

32420272442 is a wasteful number, since it uses less digits than its factorization.

32420272442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15757.

The product of its (nonzero) digits is 43008, while the sum is 32.

Adding to 32420272442 its reverse (24427202423), we get a palindrome (56847474865).

The spelling of 32420272442 in words is "thirty-two billion, four hundred twenty million, two hundred seventy-two thousand, four hundred forty-two".