32442023421 has 16 divisors (see below), whose sum is σ = 48137262720. Its totient is φ = 21594263040.

The previous prime is 32442023417. The next prime is 32442023441. The reversal of 32442023421 is 12432024423.

32442023421 is a `hidden beast` number, since 3 + 2 + 4 + 420 + 234 + 2 + 1 = 666.

It is not a de Polignac number, because 32442023421 - 2² = 32442023417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32442023441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919945 + ... + 954558.

It is an arithmetic number, because the mean of its divisors is an integer number (3008578920).

Almost surely, 2^32442023421 is an apocalyptic number.

It is an amenable number.

32442023421 is a deficient number, since it is larger than the sum of its proper divisors (15695239299).

32442023421 is a wasteful number, since it uses less digits than its factorization.

32442023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875153 (or 1875147 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 32442023421 its reverse (12432024423), we get a palindrome (44874047844).

The spelling of 32442023421 in words is "thirty-two billion, four hundred forty-two million, twenty-three thousand, four hundred twenty-one".