42304221442021 has 16 divisors (see below), whose sum is σ = 53127910304640. Its totient is φ = 32723712852480.

The previous prime is 42304221441907. The next prime is 42304221442057. The reversal of 42304221442021 is 12024412240324.

It is a cyclic number.

It is not a de Polignac number, because 42304221442021 - 2¹⁹ = 42304220917733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42304221443021) 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, 2005118916 + ... + 2005140013.

It is an arithmetic number, because the mean of its divisors is an integer number (3320494394040).

Almost surely, 2^{42304221442021} is an apocalyptic number.

It is an amenable number.

42304221442021 is a deficient number, since it is larger than the sum of its proper divisors (10823688862619).

42304221442021 is a wasteful number, since it uses less digits than its factorization.

42304221442021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010259084.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 42304221442021 its reverse (12024412240324), we get a palindrome (54328633682345).

The spelling of 42304221442021 in words is "forty-two trillion, three hundred four billion, two hundred twenty-one million, four hundred forty-two thousand, twenty-one".