32042240421 has 16 divisors (see below), whose sum is σ = 42809592000. Its totient is φ = 21318231168.

The previous prime is 32042240381. The next prime is 32042240423. The reversal of 32042240421 is 12404224023.

It is not a de Polignac number, because 32042240421 - 2¹⁷ = 32042109349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32042240391 and 32042240400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32042240423) 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, 4460985 + ... + 4468161.

It is an arithmetic number, because the mean of its divisors is an integer number (2675599500).

Almost surely, 2^32042240421 is an apocalyptic number.

It is an amenable number.

32042240421 is a deficient number, since it is larger than the sum of its proper divisors (10767351579).

32042240421 is a wasteful number, since it uses less digits than its factorization.

32042240421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9988.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 32042240421 its reverse (12404224023), we get a palindrome (44446464444).

The spelling of 32042240421 in words is "thirty-two billion, forty-two million, two hundred forty thousand, four hundred twenty-one".