42032240321 has 2 divisors, whose sum is σ = 42032240322. Its totient is φ = 42032240320.

The previous prime is 42032240317. The next prime is 42032240339. The reversal of 42032240321 is 12304223024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40411050625 + 1621189696 = 201025^2 + 40264^2 .

It is a cyclic number.

It is not a de Polignac number, because 42032240321 - 2² = 42032240317 is a prime.

It is not a weakly prime, because it can be changed into another prime (42032240311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21016120160 + 21016120161.

It is an arithmetic number, because the mean of its divisors is an integer number (21016120161).

Almost surely, 2^42032240321 is an apocalyptic number.

It is an amenable number.

42032240321 is a deficient number, since it is larger than the sum of its proper divisors (1).

42032240321 is an equidigital number, since it uses as much as digits as its factorization.

42032240321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 42032240321 its reverse (12304223024), we get a palindrome (54336463345).

The spelling of 42032240321 in words is "forty-two billion, thirty-two million, two hundred forty thousand, three hundred twenty-one".