42441304221 has 48 divisors (see below), whose sum is σ = 64824364800. Its totient is φ = 26719265664.

The previous prime is 42441304193. The next prime is 42441304229. The reversal of 42441304221 is 12240314424.

42441304221 is a `hidden beast` number, since 4 + 24 + 413 + 0 + 4 + 221 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-42441304221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42441304229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2196615 + ... + 2215851.

It is an arithmetic number, because the mean of its divisors is an integer number (1350507600).

Almost surely, 2^42441304221 is an apocalyptic number.

It is an amenable number.

42441304221 is a deficient number, since it is larger than the sum of its proper divisors (22383060579).

42441304221 is a wasteful number, since it uses less digits than its factorization.

42441304221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19458 (or 19455 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 42441304221 its reverse (12240314424), we get a palindrome (54681618645).

The spelling of 42441304221 in words is "forty-two billion, four hundred forty-one million, three hundred four thousand, two hundred twenty-one".